20648133026

素因数分解:

$2^1\times {\mathrm{149}}^1\times {\mathrm{197}}^1\times {\mathrm{547}}^1\times {\mathrm{643}}^1$

素因数の和:1538

約数の個数: 32

約数和(自身を含む): 31444459200

約数和(自身を除く): 10796326174

約数列:

[1, 2, 149, 197, 298, 394, 547, 643, 1094, 1286, 29353, 58706, 81503, 95807, 107759, 126671, 163006, 191614, 215518, 253342, 351721, 703442, 16056091, 18873979, 32112182, 37747958, 52406429, 69289037, 104812858, 138578074, 10324066513, 20648133026]

約数ペア:

[(1, 20648133026), (2, 10324066513), (149, 138578074), (197, 104812858), (298, 69289037), (394, 52406429), (547, 37747958), (643, 32112182), (1094, 18873979), (1286, 16056091), (29353, 703442), (58706, 351721), (81503, 253342), (95807, 215518), (107759, 191614), (126671, 163006)]