20841200

素因数分解:

$2^4\times 5^2\times {\mathrm{52103}}^1$

素因数の和:52121

約数の個数: 30

約数和(自身を含む): 50071944

約数和(自身を除く): 29230744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 52103, 104206, 208412, 260515, 416824, 521030, 833648, 1042060, 1302575, 2084120, 2605150, 4168240, 5210300, 10420600, 20841200]

約数ペア:

[(1, 20841200), (2, 10420600), (4, 5210300), (5, 4168240), (8, 2605150), (10, 2084120), (16, 1302575), (20, 1042060), (25, 833648), (40, 521030), (50, 416824), (80, 260515), (100, 208412), (200, 104206), (400, 52103)]