20686585770

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{5345371}}^1$

素因数の和:5345427

約数の個数: 48

約数和(自身を含む): 55035950112

約数和(自身を除く): 34349364342

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 43, 45, 86, 90, 129, 215, 258, 387, 430, 645, 774, 1290, 1935, 3870, 5345371, 10690742, 16036113, 26726855, 32072226, 48108339, 53453710, 80180565, 96216678, 160361130, 229850953, 240541695, 459701906, 481083390, 689552859, 1149254765, 1379105718, 2068658577, 2298509530, 3447764295, 4137317154, 6895528590, 10343292885, 20686585770]

約数ペア:

[(1, 20686585770), (2, 10343292885), (3, 6895528590), (5, 4137317154), (6, 3447764295), (9, 2298509530), (10, 2068658577), (15, 1379105718), (18, 1149254765), (30, 689552859), (43, 481083390), (45, 459701906), (86, 240541695), (90, 229850953), (129, 160361130), (215, 96216678), (258, 80180565), (387, 53453710), (430, 48108339), (645, 32072226), (774, 26726855), (1290, 16036113), (1935, 10690742), (3870, 5345371)]