20797347948

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{499}}^1\times {\mathrm{267167}}^1$

素因数の和:267686

約数の個数: 48

約数和(自身を含む): 52364928000

約数和(自身を除く): 31567580052

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 499, 998, 1497, 1996, 2994, 5988, 6487, 12974, 19461, 25948, 38922, 77844, 267167, 534334, 801501, 1068668, 1603002, 3206004, 3473171, 6946342, 10419513, 13892684, 20839026, 41678052, 133316333, 266632666, 399948999, 533265332, 799897998, 1599795996, 1733112329, 3466224658, 5199336987, 6932449316, 10398673974, 20797347948]

約数ペア:

[(1, 20797347948), (2, 10398673974), (3, 6932449316), (4, 5199336987), (6, 3466224658), (12, 1733112329), (13, 1599795996), (26, 799897998), (39, 533265332), (52, 399948999), (78, 266632666), (156, 133316333), (499, 41678052), (998, 20839026), (1497, 13892684), (1996, 10419513), (2994, 6946342), (5988, 3473171), (6487, 3206004), (12974, 1603002), (19461, 1068668), (25948, 801501), (38922, 534334), (77844, 267167)]