20682804

素因数分解:

$2^2\times 3^1\times {\mathrm{59}}^1\times {\mathrm{131}}^1\times {\mathrm{223}}^1$

素因数の和:420

約数の個数: 48

約数和(自身を含む): 49674240

約数和(自身を除く): 28991436

約数列:

[1, 2, 3, 4, 6, 12, 59, 118, 131, 177, 223, 236, 262, 354, 393, 446, 524, 669, 708, 786, 892, 1338, 1572, 2676, 7729, 13157, 15458, 23187, 26314, 29213, 30916, 39471, 46374, 52628, 58426, 78942, 87639, 92748, 116852, 157884, 175278, 350556, 1723567, 3447134, 5170701, 6894268, 10341402, 20682804]

約数ペア:

[(1, 20682804), (2, 10341402), (3, 6894268), (4, 5170701), (6, 3447134), (12, 1723567), (59, 350556), (118, 175278), (131, 157884), (177, 116852), (223, 92748), (236, 87639), (262, 78942), (354, 58426), (393, 52628), (446, 46374), (524, 39471), (669, 30916), (708, 29213), (786, 26314), (892, 23187), (1338, 15458), (1572, 13157), (2676, 7729)]