20161115864

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{1223}}^1\times {\mathrm{2579}}^1$

素因数の和:3872

約数の個数: 64

約数和(自身を含む): 40926643200

約数和(自身を除く): 20765527336

約数列:

[1, 2, 4, 8, 17, 34, 47, 68, 94, 136, 188, 376, 799, 1223, 1598, 2446, 2579, 3196, 4892, 5158, 6392, 9784, 10316, 20632, 20791, 41582, 43843, 57481, 83164, 87686, 114962, 121213, 166328, 175372, 229924, 242426, 350744, 459848, 484852, 969704, 977177, 1954354, 2060621, 3154117, 3908708, 4121242, 6308234, 7817416, 8242484, 12616468, 16484968, 25232936, 53619989, 107239978, 148243499, 214479956, 296486998, 428959912, 592973996, 1185947992, 2520139483, 5040278966, 10080557932, 20161115864]

約数ペア:

[(1, 20161115864), (2, 10080557932), (4, 5040278966), (8, 2520139483), (17, 1185947992), (34, 592973996), (47, 428959912), (68, 296486998), (94, 214479956), (136, 148243499), (188, 107239978), (376, 53619989), (799, 25232936), (1223, 16484968), (1598, 12616468), (2446, 8242484), (2579, 7817416), (3196, 6308234), (4892, 4121242), (5158, 3908708), (6392, 3154117), (9784, 2060621), (10316, 1954354), (20632, 977177), (20791, 969704), (41582, 484852), (43843, 459848), (57481, 350744), (83164, 242426), (87686, 229924), (114962, 175372), (121213, 166328)]