20195082425

素因数分解:

$5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{5857}}^1$

素因数の和:5971

約数の個数: 96

約数和(自身を含む): 32426138880

約数和(自身を除く): 12231056455

約数列:

[1, 5, 7, 17, 19, 25, 35, 61, 85, 95, 119, 133, 175, 305, 323, 425, 427, 475, 595, 665, 1037, 1159, 1525, 1615, 2135, 2261, 2975, 3325, 5185, 5795, 5857, 7259, 8075, 8113, 10675, 11305, 19703, 25925, 28975, 29285, 36295, 40565, 40999, 56525, 98515, 99569, 111283, 137921, 146425, 181475, 202825, 204995, 357277, 492575, 497845, 556415, 689605, 696983, 778981, 1024975, 1786385, 1891811, 2489225, 2500939, 2782075, 3448025, 3484915, 3894905, 6073709, 6788263, 8931925, 9459055, 12504695, 13242677, 17424575, 19474525, 30368545, 33941315, 42515963, 47295275, 47517841, 62523475, 66213385, 115400471, 151842725, 169706575, 212579815, 237589205, 331066925, 577002355, 807803297, 1062899075, 1187946025, 2885011775, 4039016485, 20195082425]

約数ペア:

[(1, 20195082425), (5, 4039016485), (7, 2885011775), (17, 1187946025), (19, 1062899075), (25, 807803297), (35, 577002355), (61, 331066925), (85, 237589205), (95, 212579815), (119, 169706575), (133, 151842725), (175, 115400471), (305, 66213385), (323, 62523475), (425, 47517841), (427, 47295275), (475, 42515963), (595, 33941315), (665, 30368545), (1037, 19474525), (1159, 17424575), (1525, 13242677), (1615, 12504695), (2135, 9459055), (2261, 8931925), (2975, 6788263), (3325, 6073709), (5185, 3894905), (5795, 3484915), (5857, 3448025), (7259, 2782075), (8075, 2500939), (8113, 2489225), (10675, 1891811), (11305, 1786385), (19703, 1024975), (25925, 778981), (28975, 696983), (29285, 689605), (36295, 556415), (40565, 497845), (40999, 492575), (56525, 357277), (98515, 204995), (99569, 202825), (111283, 181475), (137921, 146425)]