20406430

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{6397}}^1$

素因数の和:6444

約数の個数: 32

約数和(自身を含む): 41459040

約数和(自身を除く): 21052610

約数列:

[1, 2, 5, 10, 11, 22, 29, 55, 58, 110, 145, 290, 319, 638, 1595, 3190, 6397, 12794, 31985, 63970, 70367, 140734, 185513, 351835, 371026, 703670, 927565, 1855130, 2040643, 4081286, 10203215, 20406430]

約数ペア:

[(1, 20406430), (2, 10203215), (5, 4081286), (10, 2040643), (11, 1855130), (22, 927565), (29, 703670), (55, 371026), (58, 351835), (110, 185513), (145, 140734), (290, 70367), (319, 63970), (638, 31985), (1595, 12794), (3190, 6397)]