20635488

素因数分解:

$2^5\times 3^2\times {\mathrm{137}}^1\times {\mathrm{523}}^1$

素因数の和:676

約数の個数: 72

約数和(自身を含む): 59223528

約数和(自身を除く): 38588040

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 137, 144, 274, 288, 411, 523, 548, 822, 1046, 1096, 1233, 1569, 1644, 2092, 2192, 2466, 3138, 3288, 4184, 4384, 4707, 4932, 6276, 6576, 8368, 9414, 9864, 12552, 13152, 16736, 18828, 19728, 25104, 37656, 39456, 50208, 71651, 75312, 143302, 150624, 214953, 286604, 429906, 573208, 644859, 859812, 1146416, 1289718, 1719624, 2292832, 2579436, 3439248, 5158872, 6878496, 10317744, 20635488]

約数ペア:

[(1, 20635488), (2, 10317744), (3, 6878496), (4, 5158872), (6, 3439248), (8, 2579436), (9, 2292832), (12, 1719624), (16, 1289718), (18, 1146416), (24, 859812), (32, 644859), (36, 573208), (48, 429906), (72, 286604), (96, 214953), (137, 150624), (144, 143302), (274, 75312), (288, 71651), (411, 50208), (523, 39456), (548, 37656), (822, 25104), (1046, 19728), (1096, 18828), (1233, 16736), (1569, 13152), (1644, 12552), (2092, 9864), (2192, 9414), (2466, 8368), (3138, 6576), (3288, 6276), (4184, 4932), (4384, 4707)]