20218687208

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{133017679}}^1$

素因数の和:133017704

約数の個数: 16

約数和(自身を含む): 39905304000

約数和(自身を除く): 19686616792

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 133017679, 266035358, 532070716, 1064141432, 2527335901, 5054671802, 10109343604, 20218687208]

約数ペア:

[(1, 20218687208), (2, 10109343604), (4, 5054671802), (8, 2527335901), (19, 1064141432), (38, 532070716), (76, 266035358), (152, 133017679)]