20161908741

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{331}}^1\times {\mathrm{8629}}^1$

素因数の和:9157

約数の個数: 32

約数和(自身を含む): 29201710720

約数和(自身を除く): 9039801979

約数列:

[1, 3, 13, 39, 181, 331, 543, 993, 2353, 4303, 7059, 8629, 12909, 25887, 59911, 112177, 179733, 336531, 778843, 1561849, 2336529, 2856199, 4685547, 8568597, 20304037, 37130587, 60912111, 111391761, 516972019, 1550916057, 6720636247, 20161908741]

約数ペア:

[(1, 20161908741), (3, 6720636247), (13, 1550916057), (39, 516972019), (181, 111391761), (331, 60912111), (543, 37130587), (993, 20304037), (2353, 8568597), (4303, 4685547), (7059, 2856199), (8629, 2336529), (12909, 1561849), (25887, 778843), (59911, 336531), (112177, 179733)]