20005850

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{12907}}^1$

素因数の和:12950

約数の個数: 24

約数和(自身を含む): 38414208

約数和(自身を除く): 18408358

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 155, 310, 775, 1550, 12907, 25814, 64535, 129070, 322675, 400117, 645350, 800234, 2000585, 4001170, 10002925, 20005850]

約数ペア:

[(1, 20005850), (2, 10002925), (5, 4001170), (10, 2000585), (25, 800234), (31, 645350), (50, 400117), (62, 322675), (155, 129070), (310, 64535), (775, 25814), (1550, 12907)]