20104196105

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{234547}}^1$

素因数の和:234669

約数の個数: 32

約数和(自身を含む): 28821258240

約数和(自身を除く): 8717062135

約数列:

[1, 5, 7, 31, 35, 79, 155, 217, 395, 553, 1085, 2449, 2765, 12245, 17143, 85715, 234547, 1172735, 1641829, 7270957, 8209145, 18529213, 36354785, 50896699, 92646065, 129704491, 254483495, 574405603, 648522455, 2872028015, 4020839221, 20104196105]

約数ペア:

[(1, 20104196105), (5, 4020839221), (7, 2872028015), (31, 648522455), (35, 574405603), (79, 254483495), (155, 129704491), (217, 92646065), (395, 50896699), (553, 36354785), (1085, 18529213), (2449, 8209145), (2765, 7270957), (12245, 1641829), (17143, 1172735), (85715, 234547)]