20199142611

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{4481}}^1$

素因数の和:4642

約数の個数: 80

約数和(自身を含む): 33190106400

約数和(自身を除く): 12990963789

約数列:

[1, 3, 9, 19, 27, 29, 57, 81, 87, 101, 171, 261, 303, 513, 551, 783, 909, 1539, 1653, 1919, 2349, 2727, 2929, 4481, 4959, 5757, 8181, 8787, 13443, 14877, 17271, 26361, 40329, 44631, 51813, 55651, 79083, 85139, 120987, 129949, 155439, 166953, 237249, 255417, 362961, 389847, 452581, 500859, 766251, 1169541, 1357743, 1502577, 2298753, 2469031, 3508623, 4073229, 4507731, 6896259, 7407093, 8599039, 10525869, 12219687, 13124849, 22221279, 25797117, 36659061, 39374547, 66663837, 77391351, 118123641, 199991511, 232174053, 249372131, 354370923, 696522159, 748116393, 1063112769, 2244349179, 6733047537, 20199142611]

約数ペア:

[(1, 20199142611), (3, 6733047537), (9, 2244349179), (19, 1063112769), (27, 748116393), (29, 696522159), (57, 354370923), (81, 249372131), (87, 232174053), (101, 199991511), (171, 118123641), (261, 77391351), (303, 66663837), (513, 39374547), (551, 36659061), (783, 25797117), (909, 22221279), (1539, 13124849), (1653, 12219687), (1919, 10525869), (2349, 8599039), (2727, 7407093), (2929, 6896259), (4481, 4507731), (4959, 4073229), (5757, 3508623), (8181, 2469031), (8787, 2298753), (13443, 1502577), (14877, 1357743), (17271, 1169541), (26361, 766251), (40329, 500859), (44631, 452581), (51813, 389847), (55651, 362961), (79083, 255417), (85139, 237249), (120987, 166953), (129949, 155439)]