10920220

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{8951}}^1$

素因数の和:9021

約数の個数: 24

約数和(自身を含む): 23311008

約数和(自身を除く): 12390788

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 8951, 17902, 35804, 44755, 89510, 179020, 546011, 1092022, 2184044, 2730055, 5460110, 10920220]

約数ペア:

[(1, 10920220), (2, 5460110), (4, 2730055), (5, 2184044), (10, 1092022), (20, 546011), (61, 179020), (122, 89510), (244, 44755), (305, 35804), (610, 17902), (1220, 8951)]