20315996892

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{167}}^1\times {\mathrm{883}}^1$

素因数の和:1192

約数の個数: 144

約数和(自身を含む): 53517784320

約数和(自身を除く): 33201787428

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 89, 129, 167, 172, 178, 258, 267, 334, 356, 387, 501, 516, 534, 668, 774, 801, 883, 1002, 1068, 1503, 1548, 1602, 1766, 2004, 2649, 3006, 3204, 3532, 3827, 5298, 6012, 7181, 7654, 7947, 10596, 11481, 14362, 14863, 15308, 15894, 21543, 22962, 28724, 29726, 31788, 34443, 37969, 43086, 44589, 45924, 59452, 64629, 68886, 75938, 78587, 86172, 89178, 113907, 129258, 133767, 137772, 147461, 151876, 157174, 178356, 227814, 235761, 258516, 267534, 294922, 314348, 341721, 442383, 455628, 471522, 535068, 589844, 639109, 683442, 707283, 884766, 943044, 1278218, 1327149, 1366884, 1414566, 1769532, 1917327, 2556436, 2654298, 2829132, 3379241, 3834654, 5308596, 5751981, 6340823, 6758482, 7669308, 10137723, 11503962, 12681646, 13124029, 13516964, 19022469, 20275446, 23007924, 25363292, 26248058, 30413169, 38044938, 39372087, 40550892, 52496116, 57067407, 60826338, 76089876, 78744174, 114134814, 118116261, 121652676, 157488348, 228269628, 236232522, 472465044, 564333247, 1128666494, 1692999741, 2257332988, 3385999482, 5078999223, 6771998964, 10157998446, 20315996892]

約数ペア:

[(1, 20315996892), (2, 10157998446), (3, 6771998964), (4, 5078999223), (6, 3385999482), (9, 2257332988), (12, 1692999741), (18, 1128666494), (36, 564333247), (43, 472465044), (86, 236232522), (89, 228269628), (129, 157488348), (167, 121652676), (172, 118116261), (178, 114134814), (258, 78744174), (267, 76089876), (334, 60826338), (356, 57067407), (387, 52496116), (501, 40550892), (516, 39372087), (534, 38044938), (668, 30413169), (774, 26248058), (801, 25363292), (883, 23007924), (1002, 20275446), (1068, 19022469), (1503, 13516964), (1548, 13124029), (1602, 12681646), (1766, 11503962), (2004, 10137723), (2649, 7669308), (3006, 6758482), (3204, 6340823), (3532, 5751981), (3827, 5308596), (5298, 3834654), (6012, 3379241), (7181, 2829132), (7654, 2654298), (7947, 2556436), (10596, 1917327), (11481, 1769532), (14362, 1414566), (14863, 1366884), (15308, 1327149), (15894, 1278218), (21543, 943044), (22962, 884766), (28724, 707283), (29726, 683442), (31788, 639109), (34443, 589844), (37969, 535068), (43086, 471522), (44589, 455628), (45924, 442383), (59452, 341721), (64629, 314348), (68886, 294922), (75938, 267534), (78587, 258516), (86172, 235761), (89178, 227814), (113907, 178356), (129258, 157174), (133767, 151876), (137772, 147461)]