20382870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{659}}^1\times {\mathrm{1031}}^1$

素因数の和:1700

約数の個数: 32

約数和(自身を含む): 49040640

約数和(自身を除く): 28657770

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 659, 1031, 1318, 1977, 2062, 3093, 3295, 3954, 5155, 6186, 6590, 9885, 10310, 15465, 19770, 30930, 679429, 1358858, 2038287, 3397145, 4076574, 6794290, 10191435, 20382870]

約数ペア:

[(1, 20382870), (2, 10191435), (3, 6794290), (5, 4076574), (6, 3397145), (10, 2038287), (15, 1358858), (30, 679429), (659, 30930), (1031, 19770), (1318, 15465), (1977, 10310), (2062, 9885), (3093, 6590), (3295, 6186), (3954, 5155)]