20293490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{1213}}^1$

素因数の和:1466

約数の個数: 32

約数和(自身を含む): 41955840

約数和(自身を除く): 21662350

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 239, 478, 1195, 1213, 1673, 2390, 2426, 3346, 6065, 8365, 8491, 12130, 16730, 16982, 42455, 84910, 289907, 579814, 1449535, 2029349, 2899070, 4058698, 10146745, 20293490]

約数ペア:

[(1, 20293490), (2, 10146745), (5, 4058698), (7, 2899070), (10, 2029349), (14, 1449535), (35, 579814), (70, 289907), (239, 84910), (478, 42455), (1195, 16982), (1213, 16730), (1673, 12130), (2390, 8491), (2426, 8365), (3346, 6065)]