20188663612

素因数分解:

$2^2\times {\mathrm{13}}^3\times {\mathrm{317}}^1\times {\mathrm{7247}}^1$

素因数の和:7607

約数の個数: 48

約数和(自身を含む): 38399034240

約数和(自身を除く): 18210370628

約数列:

[1, 2, 4, 13, 26, 52, 169, 317, 338, 634, 676, 1268, 2197, 4121, 4394, 7247, 8242, 8788, 14494, 16484, 28988, 53573, 94211, 107146, 188422, 214292, 376844, 696449, 1224743, 1392898, 2297299, 2449486, 2785796, 4594598, 4898972, 9189196, 15921659, 29864887, 31843318, 59729774, 63686636, 119459548, 388243531, 776487062, 1552974124, 5047165903, 10094331806, 20188663612]

約数ペア:

[(1, 20188663612), (2, 10094331806), (4, 5047165903), (13, 1552974124), (26, 776487062), (52, 388243531), (169, 119459548), (317, 63686636), (338, 59729774), (634, 31843318), (676, 29864887), (1268, 15921659), (2197, 9189196), (4121, 4898972), (4394, 4594598), (7247, 2785796), (8242, 2449486), (8788, 2297299), (14494, 1392898), (16484, 1224743), (28988, 696449), (53573, 376844), (94211, 214292), (107146, 188422)]