20512157908

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{106703}}^1$

素因数の和:106992

約数の個数: 48

約数和(自身を含む): 41624803584

約数和(自身を除く): 21112645676

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 68, 187, 257, 374, 514, 748, 1028, 2827, 4369, 5654, 8738, 11308, 17476, 48059, 96118, 106703, 192236, 213406, 426812, 1173733, 1813951, 2347466, 3627902, 4694932, 7255804, 19953461, 27422671, 39906922, 54845342, 79813844, 109690684, 301649381, 466185407, 603298762, 932370814, 1206597524, 1864741628, 5128039477, 10256078954, 20512157908]

約数ペア:

[(1, 20512157908), (2, 10256078954), (4, 5128039477), (11, 1864741628), (17, 1206597524), (22, 932370814), (34, 603298762), (44, 466185407), (68, 301649381), (187, 109690684), (257, 79813844), (374, 54845342), (514, 39906922), (748, 27422671), (1028, 19953461), (2827, 7255804), (4369, 4694932), (5654, 3627902), (8738, 2347466), (11308, 1813951), (17476, 1173733), (48059, 426812), (96118, 213406), (106703, 192236)]