15308420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{24691}}^1$

素因数の和:24731

約数の個数: 24

約数和(自身を含む): 33186048

約数和(自身を除く): 17877628

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 24691, 49382, 98764, 123455, 246910, 493820, 765421, 1530842, 3061684, 3827105, 7654210, 15308420]

約数ペア:

[(1, 15308420), (2, 7654210), (4, 3827105), (5, 3061684), (10, 1530842), (20, 765421), (31, 493820), (62, 246910), (124, 123455), (155, 98764), (310, 49382), (620, 24691)]