20928348

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1$

素因数の和:117

約数の個数: 192

約数和(自身を含む): 68812800

約数和(自身を除く): 47884452

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 27, 28, 31, 36, 38, 42, 47, 54, 57, 62, 63, 76, 84, 93, 94, 108, 114, 124, 126, 133, 141, 171, 186, 188, 189, 217, 228, 252, 266, 279, 282, 329, 342, 372, 378, 399, 423, 434, 513, 532, 558, 564, 589, 651, 658, 684, 756, 798, 837, 846, 868, 893, 987, 1026, 1116, 1178, 1197, 1269, 1302, 1316, 1457, 1596, 1674, 1692, 1767, 1786, 1953, 1974, 2052, 2356, 2394, 2538, 2604, 2679, 2914, 2961, 3348, 3534, 3572, 3591, 3906, 3948, 4123, 4371, 4788, 5076, 5301, 5358, 5828, 5859, 5922, 6251, 7068, 7182, 7812, 8037, 8246, 8742, 8883, 10199, 10602, 10716, 11718, 11844, 12369, 12502, 13113, 14364, 15903, 16074, 16492, 17484, 17766, 18753, 20398, 21204, 23436, 24111, 24738, 25004, 26226, 27683, 30597, 31806, 32148, 35532, 37107, 37506, 39339, 40796, 48222, 49476, 52452, 55366, 56259, 61194, 63612, 74214, 75012, 78678, 83049, 91791, 96444, 110732, 111321, 112518, 122388, 148428, 157356, 166098, 168777, 183582, 193781, 222642, 225036, 249147, 275373, 332196, 337554, 367164, 387562, 445284, 498294, 550746, 581343, 675108, 747441, 775124, 996588, 1101492, 1162686, 1494882, 1744029, 2325372, 2989764, 3488058, 5232087, 6976116, 10464174, 20928348]

約数ペア:

[(1, 20928348), (2, 10464174), (3, 6976116), (4, 5232087), (6, 3488058), (7, 2989764), (9, 2325372), (12, 1744029), (14, 1494882), (18, 1162686), (19, 1101492), (21, 996588), (27, 775124), (28, 747441), (31, 675108), (36, 581343), (38, 550746), (42, 498294), (47, 445284), (54, 387562), (57, 367164), (62, 337554), (63, 332196), (76, 275373), (84, 249147), (93, 225036), (94, 222642), (108, 193781), (114, 183582), (124, 168777), (126, 166098), (133, 157356), (141, 148428), (171, 122388), (186, 112518), (188, 111321), (189, 110732), (217, 96444), (228, 91791), (252, 83049), (266, 78678), (279, 75012), (282, 74214), (329, 63612), (342, 61194), (372, 56259), (378, 55366), (399, 52452), (423, 49476), (434, 48222), (513, 40796), (532, 39339), (558, 37506), (564, 37107), (589, 35532), (651, 32148), (658, 31806), (684, 30597), (756, 27683), (798, 26226), (837, 25004), (846, 24738), (868, 24111), (893, 23436), (987, 21204), (1026, 20398), (1116, 18753), (1178, 17766), (1197, 17484), (1269, 16492), (1302, 16074), (1316, 15903), (1457, 14364), (1596, 13113), (1674, 12502), (1692, 12369), (1767, 11844), (1786, 11718), (1953, 10716), (1974, 10602), (2052, 10199), (2356, 8883), (2394, 8742), (2538, 8246), (2604, 8037), (2679, 7812), (2914, 7182), (2961, 7068), (3348, 6251), (3534, 5922), (3572, 5859), (3591, 5828), (3906, 5358), (3948, 5301), (4123, 5076), (4371, 4788)]