20189772967

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{181}}^1\times {\mathrm{4271}}^1$

素因数の和:4520

約数の個数: 48

約数和(自身を含む): 26058824064

約数和(自身を除く): 5869051097

約数列:

[1, 7, 13, 41, 49, 91, 181, 287, 533, 637, 1267, 2009, 2353, 3731, 4271, 7421, 8869, 16471, 26117, 29897, 51947, 55523, 96473, 115297, 175111, 209279, 363629, 388661, 675311, 773051, 1225777, 2276443, 2720627, 4727177, 5411357, 8580439, 10049663, 15935101, 31695091, 37879499, 70347641, 111545707, 221865637, 412036183, 492433487, 1553059459, 2884253281, 20189772967]

約数ペア:

[(1, 20189772967), (7, 2884253281), (13, 1553059459), (41, 492433487), (49, 412036183), (91, 221865637), (181, 111545707), (287, 70347641), (533, 37879499), (637, 31695091), (1267, 15935101), (2009, 10049663), (2353, 8580439), (3731, 5411357), (4271, 4727177), (7421, 2720627), (8869, 2276443), (16471, 1225777), (26117, 773051), (29897, 675311), (51947, 388661), (55523, 363629), (96473, 209279), (115297, 175111)]