20003100950

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{37}}^1\times {\mathrm{220663}}^1$

素因数の和:220726

約数の個数: 72

約数和(自身を含む): 44450114832

約数和(自身を除く): 24447013882

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 37, 49, 50, 70, 74, 98, 175, 185, 245, 259, 350, 370, 490, 518, 925, 1225, 1295, 1813, 1850, 2450, 2590, 3626, 6475, 9065, 12950, 18130, 45325, 90650, 220663, 441326, 1103315, 1544641, 2206630, 3089282, 5516575, 7723205, 8164531, 10812487, 11033150, 15446410, 16329062, 21624974, 38616025, 40822655, 54062435, 57151717, 77232050, 81645310, 108124870, 114303434, 204113275, 270312175, 285758585, 400062019, 408226550, 540624350, 571517170, 800124038, 1428792925, 2000310095, 2857585850, 4000620190, 10001550475, 20003100950]

約数ペア:

[(1, 20003100950), (2, 10001550475), (5, 4000620190), (7, 2857585850), (10, 2000310095), (14, 1428792925), (25, 800124038), (35, 571517170), (37, 540624350), (49, 408226550), (50, 400062019), (70, 285758585), (74, 270312175), (98, 204113275), (175, 114303434), (185, 108124870), (245, 81645310), (259, 77232050), (350, 57151717), (370, 54062435), (490, 40822655), (518, 38616025), (925, 21624974), (1225, 16329062), (1295, 15446410), (1813, 11033150), (1850, 10812487), (2450, 8164531), (2590, 7723205), (3626, 5516575), (6475, 3089282), (9065, 2206630), (12950, 1544641), (18130, 1103315), (45325, 441326), (90650, 220663)]