20672856

素因数分解:

$2^3\times 3^2\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1$

素因数の和:249

約数の個数: 96

約数和(自身を含む): 58968000

約数和(自身を除く): 38295144

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 41, 47, 72, 82, 94, 123, 141, 149, 164, 188, 246, 282, 298, 328, 369, 376, 423, 447, 492, 564, 596, 738, 846, 894, 984, 1128, 1192, 1341, 1476, 1692, 1788, 1927, 2682, 2952, 3384, 3576, 3854, 5364, 5781, 6109, 7003, 7708, 10728, 11562, 12218, 14006, 15416, 17343, 18327, 21009, 23124, 24436, 28012, 34686, 36654, 42018, 46248, 48872, 54981, 56024, 63027, 69372, 73308, 84036, 109962, 126054, 138744, 146616, 168072, 219924, 252108, 287123, 439848, 504216, 574246, 861369, 1148492, 1722738, 2296984, 2584107, 3445476, 5168214, 6890952, 10336428, 20672856]

約数ペア:

[(1, 20672856), (2, 10336428), (3, 6890952), (4, 5168214), (6, 3445476), (8, 2584107), (9, 2296984), (12, 1722738), (18, 1148492), (24, 861369), (36, 574246), (41, 504216), (47, 439848), (72, 287123), (82, 252108), (94, 219924), (123, 168072), (141, 146616), (149, 138744), (164, 126054), (188, 109962), (246, 84036), (282, 73308), (298, 69372), (328, 63027), (369, 56024), (376, 54981), (423, 48872), (447, 46248), (492, 42018), (564, 36654), (596, 34686), (738, 28012), (846, 24436), (894, 23124), (984, 21009), (1128, 18327), (1192, 17343), (1341, 15416), (1476, 14006), (1692, 12218), (1788, 11562), (1927, 10728), (2682, 7708), (2952, 7003), (3384, 6109), (3576, 5781), (3854, 5364)]