20860210

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{9613}}^1$

素因数の和:9658

約数の個数: 32

約数和(自身を含む): 44301312

約数和(自身を除く): 23441102

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 155, 217, 310, 434, 1085, 2170, 9613, 19226, 48065, 67291, 96130, 134582, 298003, 336455, 596006, 672910, 1490015, 2086021, 2980030, 4172042, 10430105, 20860210]

約数ペア:

[(1, 20860210), (2, 10430105), (5, 4172042), (7, 2980030), (10, 2086021), (14, 1490015), (31, 672910), (35, 596006), (62, 336455), (70, 298003), (155, 134582), (217, 96130), (310, 67291), (434, 48065), (1085, 19226), (2170, 9613)]