20346872540

素因数分解:

$2^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{1723}}^1\times {\mathrm{3413}}^1$

素因数の和:5318

約数の個数: 48

約数和(自身を含む): 43012958688

約数和(自身を除く): 22666086148

約数列:

[1, 2, 4, 5, 10, 20, 173, 346, 692, 865, 1723, 1730, 3413, 3446, 3460, 6826, 6892, 8615, 13652, 17065, 17230, 34130, 34460, 68260, 298079, 590449, 596158, 1180898, 1192316, 1490395, 2361796, 2952245, 2980790, 5880599, 5904490, 5961580, 11761198, 11808980, 23522396, 29402995, 58805990, 117611980, 1017343627, 2034687254, 4069374508, 5086718135, 10173436270, 20346872540]

約数ペア:

[(1, 20346872540), (2, 10173436270), (4, 5086718135), (5, 4069374508), (10, 2034687254), (20, 1017343627), (173, 117611980), (346, 58805990), (692, 29402995), (865, 23522396), (1723, 11808980), (1730, 11761198), (3413, 5961580), (3446, 5904490), (3460, 5880599), (6826, 2980790), (6892, 2952245), (8615, 2361796), (13652, 1490395), (17065, 1192316), (17230, 1180898), (34130, 596158), (34460, 590449), (68260, 298079)]