20927620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{1801}}^1$

素因数の和:1900

約数の個数: 48

約数和(自身を含む): 50859648

約数和(自身を除く): 29932028

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 83, 140, 166, 332, 415, 581, 830, 1162, 1660, 1801, 2324, 2905, 3602, 5810, 7204, 9005, 11620, 12607, 18010, 25214, 36020, 50428, 63035, 126070, 149483, 252140, 298966, 597932, 747415, 1046381, 1494830, 2092762, 2989660, 4185524, 5231905, 10463810, 20927620]

約数ペア:

[(1, 20927620), (2, 10463810), (4, 5231905), (5, 4185524), (7, 2989660), (10, 2092762), (14, 1494830), (20, 1046381), (28, 747415), (35, 597932), (70, 298966), (83, 252140), (140, 149483), (166, 126070), (332, 63035), (415, 50428), (581, 36020), (830, 25214), (1162, 18010), (1660, 12607), (1801, 11620), (2324, 9005), (2905, 7204), (3602, 5810)]