30920020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{49871}}^1$

素因数の和:49911

約数の個数: 24

約数和(自身を含む): 67027968

約数和(自身を除く): 36107948

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 49871, 99742, 199484, 249355, 498710, 997420, 1546001, 3092002, 6184004, 7730005, 15460010, 30920020]

約数ペア:

[(1, 30920020), (2, 15460010), (4, 7730005), (5, 6184004), (10, 3092002), (20, 1546001), (31, 997420), (62, 498710), (124, 249355), (155, 199484), (310, 99742), (620, 49871)]