20197671185

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{62351}}^1$

素因数の和:62513

約数の個数: 32

約数和(自身を含む): 26612831232

約数和(自身を除く): 6415160047

約数列:

[1, 5, 17, 37, 85, 103, 185, 515, 629, 1751, 3145, 3811, 8755, 19055, 62351, 64787, 311755, 323935, 1059967, 2306987, 5299835, 6422153, 11534935, 32110765, 39218779, 109176601, 196093895, 237619661, 545883005, 1188098305, 4039534237, 20197671185]

約数ペア:

[(1, 20197671185), (5, 4039534237), (17, 1188098305), (37, 545883005), (85, 237619661), (103, 196093895), (185, 109176601), (515, 39218779), (629, 32110765), (1751, 11534935), (3145, 6422153), (3811, 5299835), (8755, 2306987), (19055, 1059967), (62351, 323935), (64787, 311755)]