20153678032

素因数分解:

$2^4\times {\mathrm{157}}^1\times {\mathrm{8022961}}^1$

素因数の和:8023126

約数の個数: 20

約数和(自身を含む): 39296467876

約数和(自身を除く): 19142789844

約数列:

[1, 2, 4, 8, 16, 157, 314, 628, 1256, 2512, 8022961, 16045922, 32091844, 64183688, 128367376, 1259604877, 2519209754, 5038419508, 10076839016, 20153678032]

約数ペア:

[(1, 20153678032), (2, 10076839016), (4, 5038419508), (8, 2519209754), (16, 1259604877), (157, 128367376), (314, 64183688), (628, 32091844), (1256, 16045922), (2512, 8022961)]