20464756

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{241}}^1$

素因数の和:352

約数の個数: 48

約数和(自身を含む): 40981248

約数和(自身を除く): 20516492

約数列:

[1, 2, 4, 13, 23, 26, 46, 52, 71, 92, 142, 241, 284, 299, 482, 598, 923, 964, 1196, 1633, 1846, 3133, 3266, 3692, 5543, 6266, 6532, 11086, 12532, 17111, 21229, 22172, 34222, 42458, 68444, 72059, 84916, 144118, 222443, 288236, 393553, 444886, 787106, 889772, 1574212, 5116189, 10232378, 20464756]

約数ペア:

[(1, 20464756), (2, 10232378), (4, 5116189), (13, 1574212), (23, 889772), (26, 787106), (46, 444886), (52, 393553), (71, 288236), (92, 222443), (142, 144118), (241, 84916), (284, 72059), (299, 68444), (482, 42458), (598, 34222), (923, 22172), (964, 21229), (1196, 17111), (1633, 12532), (1846, 11086), (3133, 6532), (3266, 6266), (3692, 5543)]