20466200

素因数分解:

$2^3\times 5^2\times {\mathrm{31}}^1\times {\mathrm{3301}}^1$

素因数の和:3348

約数の個数: 48

約数和(自身を含む): 49133760

約数和(自身を除く): 28667560

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 31, 40, 50, 62, 100, 124, 155, 200, 248, 310, 620, 775, 1240, 1550, 3100, 3301, 6200, 6602, 13204, 16505, 26408, 33010, 66020, 82525, 102331, 132040, 165050, 204662, 330100, 409324, 511655, 660200, 818648, 1023310, 2046620, 2558275, 4093240, 5116550, 10233100, 20466200]

約数ペア:

[(1, 20466200), (2, 10233100), (4, 5116550), (5, 4093240), (8, 2558275), (10, 2046620), (20, 1023310), (25, 818648), (31, 660200), (40, 511655), (50, 409324), (62, 330100), (100, 204662), (124, 165050), (155, 132040), (200, 102331), (248, 82525), (310, 66020), (620, 33010), (775, 26408), (1240, 16505), (1550, 13204), (3100, 6602), (3301, 6200)]