20202948

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{421}}^1$

素因数の和:505

約数の個数: 72

約数和(自身を含む): 54070016

約数和(自身を除く): 33867068

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 43, 62, 86, 93, 124, 129, 172, 186, 258, 279, 372, 387, 421, 516, 558, 774, 842, 1116, 1263, 1333, 1548, 1684, 2526, 2666, 3789, 3999, 5052, 5332, 7578, 7998, 11997, 13051, 15156, 15996, 18103, 23994, 26102, 36206, 39153, 47988, 52204, 54309, 72412, 78306, 108618, 117459, 156612, 162927, 217236, 234918, 325854, 469836, 561193, 651708, 1122386, 1683579, 2244772, 3367158, 5050737, 6734316, 10101474, 20202948]

約数ペア:

[(1, 20202948), (2, 10101474), (3, 6734316), (4, 5050737), (6, 3367158), (9, 2244772), (12, 1683579), (18, 1122386), (31, 651708), (36, 561193), (43, 469836), (62, 325854), (86, 234918), (93, 217236), (124, 162927), (129, 156612), (172, 117459), (186, 108618), (258, 78306), (279, 72412), (372, 54309), (387, 52204), (421, 47988), (516, 39153), (558, 36206), (774, 26102), (842, 23994), (1116, 18103), (1263, 15996), (1333, 15156), (1548, 13051), (1684, 11997), (2526, 7998), (2666, 7578), (3789, 5332), (3999, 5052)]