20999310

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{293}}^1\times {\mathrm{2389}}^1$

素因数の和:2692

約数の個数: 32

約数和(自身を含む): 50591520

約数和(自身を除く): 29592210

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 293, 586, 879, 1465, 1758, 2389, 2930, 4395, 4778, 7167, 8790, 11945, 14334, 23890, 35835, 71670, 699977, 1399954, 2099931, 3499885, 4199862, 6999770, 10499655, 20999310]

約数ペア:

[(1, 20999310), (2, 10499655), (3, 6999770), (5, 4199862), (6, 3499885), (10, 2099931), (15, 1399954), (30, 699977), (293, 71670), (586, 35835), (879, 23890), (1465, 14334), (1758, 11945), (2389, 8790), (2930, 7167), (4395, 4778)]