11390020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{18371}}^1$

素因数の和:18411

約数の個数: 24

約数和(自身を含む): 24691968

約数和(自身を除く): 13301948

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 18371, 36742, 73484, 91855, 183710, 367420, 569501, 1139002, 2278004, 2847505, 5695010, 11390020]

約数ペア:

[(1, 11390020), (2, 5695010), (4, 2847505), (5, 2278004), (10, 1139002), (20, 569501), (31, 367420), (62, 183710), (124, 91855), (155, 73484), (310, 36742), (620, 18371)]