20131510376

素因数分解:

$2^3\times {\mathrm{47}}^1\times {\mathrm{173}}^1\times {\mathrm{197}}^1\times {\mathrm{1571}}^1$

素因数の和:1994

約数の個数: 64

約数和(自身を含む): 38994151680

約数和(自身を除く): 18862641304

約数列:

[1, 2, 4, 8, 47, 94, 173, 188, 197, 346, 376, 394, 692, 788, 1384, 1571, 1576, 3142, 6284, 8131, 9259, 12568, 16262, 18518, 32524, 34081, 37036, 65048, 68162, 73837, 74072, 136324, 147674, 271783, 272648, 295348, 309487, 543566, 590696, 618974, 1087132, 1237948, 1601807, 2174264, 2475896, 3203614, 6407228, 12773801, 12814456, 14545889, 25547602, 29091778, 51095204, 53541251, 58183556, 102190408, 107082502, 116367112, 214165004, 428330008, 2516438797, 5032877594, 10065755188, 20131510376]

約数ペア:

[(1, 20131510376), (2, 10065755188), (4, 5032877594), (8, 2516438797), (47, 428330008), (94, 214165004), (173, 116367112), (188, 107082502), (197, 102190408), (346, 58183556), (376, 53541251), (394, 51095204), (692, 29091778), (788, 25547602), (1384, 14545889), (1571, 12814456), (1576, 12773801), (3142, 6407228), (6284, 3203614), (8131, 2475896), (9259, 2174264), (12568, 1601807), (16262, 1237948), (18518, 1087132), (32524, 618974), (34081, 590696), (37036, 543566), (65048, 309487), (68162, 295348), (73837, 272648), (74072, 271783), (136324, 147674)]