912020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1471}}^1$

素因数の和:1511

約数の個数: 24

約数和(自身を含む): 1978368

約数和(自身を除く): 1066348

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 1471, 2942, 5884, 7355, 14710, 29420, 45601, 91202, 182404, 228005, 456010, 912020]

約数ペア:

[(1, 912020), (2, 456010), (4, 228005), (5, 182404), (10, 91202), (20, 45601), (31, 29420), (62, 14710), (124, 7355), (155, 5884), (310, 2942), (620, 1471)]