20179570540

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{151}}^1\times {\mathrm{181}}^1$

素因数の和:456

約数の個数: 192

約数和(自身を含む): 47405030400

約数和(自身を除く): 27225459860

約数列:

[1, 2, 4, 5, 10, 19, 20, 29, 38, 58, 67, 76, 95, 116, 134, 145, 151, 181, 190, 268, 290, 302, 335, 362, 380, 551, 580, 604, 670, 724, 755, 905, 1102, 1273, 1340, 1510, 1810, 1943, 2204, 2546, 2755, 2869, 3020, 3439, 3620, 3886, 4379, 5092, 5249, 5510, 5738, 6365, 6878, 7772, 8758, 9715, 10117, 10498, 11020, 11476, 12127, 12730, 13756, 14345, 17195, 17516, 19430, 20234, 20996, 21895, 24254, 25460, 26245, 27331, 28690, 34390, 36917, 38860, 40468, 43790, 48508, 50585, 52490, 54662, 57380, 60635, 68780, 73834, 83201, 87580, 99731, 101170, 104980, 109324, 121270, 136655, 147668, 166402, 184585, 192223, 199462, 202340, 230413, 242540, 273310, 293393, 332804, 351683, 369170, 384446, 398924, 416005, 460826, 498655, 519289, 546620, 586786, 703366, 738340, 768892, 792599, 832010, 921652, 961115, 997310, 1038578, 1152065, 1173572, 1406732, 1466965, 1585198, 1664020, 1758415, 1831177, 1922230, 1994620, 2077156, 2304130, 2596445, 2933930, 3170396, 3516830, 3662354, 3844460, 3962995, 4608260, 5192890, 5574467, 5867860, 6681977, 7033660, 7324708, 7925990, 9155885, 10385780, 11148934, 13363954, 15059381, 15851980, 18311770, 22297868, 26727908, 27872335, 30118762, 33409885, 34792363, 36623540, 53104133, 55744670, 60237524, 66819770, 69584726, 75296905, 106208266, 111489340, 133639540, 139169452, 150593810, 173961815, 212416532, 265520665, 301187620, 347923630, 531041330, 695847260, 1008978527, 1062082660, 2017957054, 4035914108, 5044892635, 10089785270, 20179570540]

約数ペア:

[(1, 20179570540), (2, 10089785270), (4, 5044892635), (5, 4035914108), (10, 2017957054), (19, 1062082660), (20, 1008978527), (29, 695847260), (38, 531041330), (58, 347923630), (67, 301187620), (76, 265520665), (95, 212416532), (116, 173961815), (134, 150593810), (145, 139169452), (151, 133639540), (181, 111489340), (190, 106208266), (268, 75296905), (290, 69584726), (302, 66819770), (335, 60237524), (362, 55744670), (380, 53104133), (551, 36623540), (580, 34792363), (604, 33409885), (670, 30118762), (724, 27872335), (755, 26727908), (905, 22297868), (1102, 18311770), (1273, 15851980), (1340, 15059381), (1510, 13363954), (1810, 11148934), (1943, 10385780), (2204, 9155885), (2546, 7925990), (2755, 7324708), (2869, 7033660), (3020, 6681977), (3439, 5867860), (3620, 5574467), (3886, 5192890), (4379, 4608260), (5092, 3962995), (5249, 3844460), (5510, 3662354), (5738, 3516830), (6365, 3170396), (6878, 2933930), (7772, 2596445), (8758, 2304130), (9715, 2077156), (10117, 1994620), (10498, 1922230), (11020, 1831177), (11476, 1758415), (12127, 1664020), (12730, 1585198), (13756, 1466965), (14345, 1406732), (17195, 1173572), (17516, 1152065), (19430, 1038578), (20234, 997310), (20996, 961115), (21895, 921652), (24254, 832010), (25460, 792599), (26245, 768892), (27331, 738340), (28690, 703366), (34390, 586786), (36917, 546620), (38860, 519289), (40468, 498655), (43790, 460826), (48508, 416005), (50585, 398924), (52490, 384446), (54662, 369170), (57380, 351683), (60635, 332804), (68780, 293393), (73834, 273310), (83201, 242540), (87580, 230413), (99731, 202340), (101170, 199462), (104980, 192223), (109324, 184585), (121270, 166402), (136655, 147668)]