20920290

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{683}}^1\times {\mathrm{1021}}^1$

素因数の和:1714

約数の個数: 32

約数和(自身を含む): 50331456

約数和(自身を除く): 29411166

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 683, 1021, 1366, 2042, 2049, 3063, 3415, 4098, 5105, 6126, 6830, 10210, 10245, 15315, 20490, 30630, 697343, 1394686, 2092029, 3486715, 4184058, 6973430, 10460145, 20920290]

約数ペア:

[(1, 20920290), (2, 10460145), (3, 6973430), (5, 4184058), (6, 3486715), (10, 2092029), (15, 1394686), (30, 697343), (683, 30630), (1021, 20490), (1366, 15315), (2042, 10245), (2049, 10210), (3063, 6830), (3415, 6126), (4098, 5105)]