20404779550

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{585503}}^1$

素因数の和:585573

約数の個数: 48

約数和(自身を含む): 41165615232

約数和(自身を除く): 20760835682

約数列:

[1, 2, 5, 10, 17, 25, 34, 41, 50, 82, 85, 170, 205, 410, 425, 697, 850, 1025, 1394, 2050, 3485, 6970, 17425, 34850, 585503, 1171006, 2927515, 5855030, 9953551, 14637575, 19907102, 24005623, 29275150, 48011246, 49767755, 99535510, 120028115, 240056230, 248838775, 408095591, 497677550, 600140575, 816191182, 1200281150, 2040477955, 4080955910, 10202389775, 20404779550]

約数ペア:

[(1, 20404779550), (2, 10202389775), (5, 4080955910), (10, 2040477955), (17, 1200281150), (25, 816191182), (34, 600140575), (41, 497677550), (50, 408095591), (82, 248838775), (85, 240056230), (170, 120028115), (205, 99535510), (410, 49767755), (425, 48011246), (697, 29275150), (850, 24005623), (1025, 19907102), (1394, 14637575), (2050, 9953551), (3485, 5855030), (6970, 2927515), (17425, 1171006), (34850, 585503)]