20798907870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{277}}^1\times {\mathrm{192529}}^1$

素因数の和:192829

約数の個数: 64

約数和(自身を含む): 53951526720

約数和(自身を除く): 33152618850

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 277, 390, 554, 831, 1385, 1662, 2770, 3601, 4155, 7202, 8310, 10803, 18005, 21606, 36010, 54015, 108030, 192529, 385058, 577587, 962645, 1155174, 1925290, 2502877, 2887935, 5005754, 5775870, 7508631, 12514385, 15017262, 25028770, 37543155, 53330533, 75086310, 106661066, 159991599, 266652665, 319983198, 533305330, 693296929, 799957995, 1386593858, 1599915990, 2079890787, 3466484645, 4159781574, 6932969290, 10399453935, 20798907870]

約数ペア:

[(1, 20798907870), (2, 10399453935), (3, 6932969290), (5, 4159781574), (6, 3466484645), (10, 2079890787), (13, 1599915990), (15, 1386593858), (26, 799957995), (30, 693296929), (39, 533305330), (65, 319983198), (78, 266652665), (130, 159991599), (195, 106661066), (277, 75086310), (390, 53330533), (554, 37543155), (831, 25028770), (1385, 15017262), (1662, 12514385), (2770, 7508631), (3601, 5775870), (4155, 5005754), (7202, 2887935), (8310, 2502877), (10803, 1925290), (18005, 1155174), (21606, 962645), (36010, 577587), (54015, 385058), (108030, 192529)]