20184745

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{239}}^1$

素因数の和:397

約数の個数: 32

約数和(自身を含む): 29491200

約数和(自身を除く): 9306455

約数列:

[1, 5, 7, 19, 35, 95, 127, 133, 239, 635, 665, 889, 1195, 1673, 2413, 4445, 4541, 8365, 12065, 16891, 22705, 30353, 31787, 84455, 151765, 158935, 212471, 576707, 1062355, 2883535, 4036949, 20184745]

約数ペア:

[(1, 20184745), (5, 4036949), (7, 2883535), (19, 1062355), (35, 576707), (95, 212471), (127, 158935), (133, 151765), (239, 84455), (635, 31787), (665, 30353), (889, 22705), (1195, 16891), (1673, 12065), (2413, 8365), (4445, 4541)]