20217963355

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{101}}^1\times {\mathrm{163}}^1\times {\mathrm{181}}^1$

素因数の和:532

約数の個数: 64

約数和(自身を含む): 26304445440

約数和(自身を除く): 6086482085

約数列:

[1, 5, 23, 59, 101, 115, 163, 181, 295, 505, 815, 905, 1357, 2323, 3749, 4163, 5959, 6785, 9617, 10679, 11615, 16463, 18281, 18745, 20815, 29503, 29795, 48085, 53395, 82315, 91405, 137057, 147515, 221191, 245617, 378649, 420463, 678569, 685285, 971317, 1078579, 1105955, 1228085, 1740677, 1893245, 2102315, 2979803, 3392845, 4856585, 5392895, 8703385, 14899015, 22340291, 24807317, 40035571, 68535469, 111701455, 124036585, 175808377, 200177855, 342677345, 879041885, 4043592671, 20217963355]

約数ペア:

[(1, 20217963355), (5, 4043592671), (23, 879041885), (59, 342677345), (101, 200177855), (115, 175808377), (163, 124036585), (181, 111701455), (295, 68535469), (505, 40035571), (815, 24807317), (905, 22340291), (1357, 14899015), (2323, 8703385), (3749, 5392895), (4163, 4856585), (5959, 3392845), (6785, 2979803), (9617, 2102315), (10679, 1893245), (11615, 1740677), (16463, 1228085), (18281, 1105955), (18745, 1078579), (20815, 971317), (29503, 685285), (29795, 678569), (48085, 420463), (53395, 378649), (82315, 245617), (91405, 221191), (137057, 147515)]