20532120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{24443}}^1$

素因数の和:24464

約数の個数: 64

約数和(自身を含む): 70398720

約数和(自身を除く): 49866600

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, 24443, 48886, 73329, 97772, 122215, 146658, 171101, 195544, 244430, 293316, 342202, 366645, 488860, 513303, 586632, 684404, 733290, 855505, 977720, 1026606, 1368808, 1466580, 1711010, 2053212, 2566515, 2933160, 3422020, 4106424, 5133030, 6844040, 10266060, 20532120]

約数ペア:

[(1, 20532120), (2, 10266060), (3, 6844040), (4, 5133030), (5, 4106424), (6, 3422020), (7, 2933160), (8, 2566515), (10, 2053212), (12, 1711010), (14, 1466580), (15, 1368808), (20, 1026606), (21, 977720), (24, 855505), (28, 733290), (30, 684404), (35, 586632), (40, 513303), (42, 488860), (56, 366645), (60, 342202), (70, 293316), (84, 244430), (105, 195544), (120, 171101), (140, 146658), (168, 122215), (210, 97772), (280, 73329), (420, 48886), (840, 24443)]