20686290

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{167}}^1\times {\mathrm{4129}}^1$

素因数の和:4306

約数の個数: 32

約数和(自身を含む): 49956480

約数和(自身を除く): 29270190

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 167, 334, 501, 835, 1002, 1670, 2505, 4129, 5010, 8258, 12387, 20645, 24774, 41290, 61935, 123870, 689543, 1379086, 2068629, 3447715, 4137258, 6895430, 10343145, 20686290]

約数ペア:

[(1, 20686290), (2, 10343145), (3, 6895430), (5, 4137258), (6, 3447715), (10, 2068629), (15, 1379086), (30, 689543), (167, 123870), (334, 61935), (501, 41290), (835, 24774), (1002, 20645), (1670, 12387), (2505, 8258), (4129, 5010)]