20512120698

素因数分解:

$2^1\times 3^4\times {\mathrm{419}}^1\times {\mathrm{302191}}^1$

素因数の和:302624

約数の個数: 40

約数和(自身を含む): 46072192320

約数和(自身を除く): 25560071622

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 419, 838, 1257, 2514, 3771, 7542, 11313, 22626, 33939, 67878, 302191, 604382, 906573, 1813146, 2719719, 5439438, 8159157, 16318314, 24477471, 48954942, 126618029, 253236058, 379854087, 759708174, 1139562261, 2279124522, 3418686783, 6837373566, 10256060349, 20512120698]

約数ペア:

[(1, 20512120698), (2, 10256060349), (3, 6837373566), (6, 3418686783), (9, 2279124522), (18, 1139562261), (27, 759708174), (54, 379854087), (81, 253236058), (162, 126618029), (419, 48954942), (838, 24477471), (1257, 16318314), (2514, 8159157), (3771, 5439438), (7542, 2719719), (11313, 1813146), (22626, 906573), (33939, 604382), (67878, 302191)]