20960520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{24953}}^1$

素因数の和:24974

約数の個数: 64

約数和(自身を含む): 71867520

約数和(自身を除く): 50907000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 24953, 49906, 74859, 99812, 124765, 149718, 174671, 199624, 249530, 299436, 349342, 374295, 499060, 524013, 598872, 698684, 748590, 873355, 998120, 1048026, 1397368, 1497180, 1746710, 2096052, 2620065, 2994360, 3493420, 4192104, 5240130, 6986840, 10480260, 20960520]

約数ペア:

[(1, 20960520), (2, 10480260), (3, 6986840), (4, 5240130), (5, 4192104), (6, 3493420), (7, 2994360), (8, 2620065), (10, 2096052), (12, 1746710), (14, 1497180), (15, 1397368), (20, 1048026), (21, 998120), (24, 873355), (28, 748590), (30, 698684), (35, 598872), (40, 524013), (42, 499060), (56, 374295), (60, 349342), (70, 299436), (84, 249530), (105, 199624), (120, 174671), (140, 149718), (168, 124765), (210, 99812), (280, 74859), (420, 49906), (840, 24953)]