20734290

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{2281}}^1$

素因数の和:2395

約数の個数: 48

約数和(自身を含む): 54466776

約数和(自身を除く): 33732486

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 101, 202, 303, 505, 606, 909, 1010, 1515, 1818, 2281, 3030, 4545, 4562, 6843, 9090, 11405, 13686, 20529, 22810, 34215, 41058, 68430, 102645, 205290, 230381, 460762, 691143, 1151905, 1382286, 2073429, 2303810, 3455715, 4146858, 6911430, 10367145, 20734290]

約数ペア:

[(1, 20734290), (2, 10367145), (3, 6911430), (5, 4146858), (6, 3455715), (9, 2303810), (10, 2073429), (15, 1382286), (18, 1151905), (30, 691143), (45, 460762), (90, 230381), (101, 205290), (202, 102645), (303, 68430), (505, 41058), (606, 34215), (909, 22810), (1010, 20529), (1515, 13686), (1818, 11405), (2281, 9090), (3030, 6843), (4545, 4562)]