20856720450

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{61}}^1\times {\mathrm{2279423}}^1$

素因数の和:2279499

約数の個数: 48

約数和(自身を含む): 52572635136

約数和(自身を除く): 31715914686

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 61, 75, 122, 150, 183, 305, 366, 610, 915, 1525, 1830, 3050, 4575, 9150, 2279423, 4558846, 6838269, 11397115, 13676538, 22794230, 34191345, 56985575, 68382690, 113971150, 139044803, 170956725, 278089606, 341913450, 417134409, 695224015, 834268818, 1390448030, 2085672045, 3476120075, 4171344090, 6952240150, 10428360225, 20856720450]

約数ペア:

[(1, 20856720450), (2, 10428360225), (3, 6952240150), (5, 4171344090), (6, 3476120075), (10, 2085672045), (15, 1390448030), (25, 834268818), (30, 695224015), (50, 417134409), (61, 341913450), (75, 278089606), (122, 170956725), (150, 139044803), (183, 113971150), (305, 68382690), (366, 56985575), (610, 34191345), (915, 22794230), (1525, 13676538), (1830, 11397115), (3050, 6838269), (4575, 4558846), (9150, 2279423)]