20524600

素因数分解:

$2^3\times 5^2\times {\mathrm{41}}^1\times {\mathrm{2503}}^1$

素因数の和:2560

約数の個数: 48

約数和(自身を含む): 48903120

約数和(自身を除く): 28378520

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 41, 50, 82, 100, 164, 200, 205, 328, 410, 820, 1025, 1640, 2050, 2503, 4100, 5006, 8200, 10012, 12515, 20024, 25030, 50060, 62575, 100120, 102623, 125150, 205246, 250300, 410492, 500600, 513115, 820984, 1026230, 2052460, 2565575, 4104920, 5131150, 10262300, 20524600]

約数ペア:

[(1, 20524600), (2, 10262300), (4, 5131150), (5, 4104920), (8, 2565575), (10, 2052460), (20, 1026230), (25, 820984), (40, 513115), (41, 500600), (50, 410492), (82, 250300), (100, 205246), (164, 125150), (200, 102623), (205, 100120), (328, 62575), (410, 50060), (820, 25030), (1025, 20024), (1640, 12515), (2050, 10012), (2503, 8200), (4100, 5006)]