20193468764

素因数分解:

$2^2\times 7^1\times {\mathrm{149}}^1\times {\mathrm{421}}^1\times {\mathrm{11497}}^1$

素因数の和:12078

約数の個数: 48

約数和(自身を含む): 40758110400

約数和(自身を除く): 20564641636

約数列:

[1, 2, 4, 7, 14, 28, 149, 298, 421, 596, 842, 1043, 1684, 2086, 2947, 4172, 5894, 11497, 11788, 22994, 45988, 62729, 80479, 125458, 160958, 250916, 321916, 439103, 878206, 1713053, 1756412, 3426106, 4840237, 6852212, 9680474, 11991371, 19360948, 23982742, 33881659, 47965484, 67763318, 135526636, 721195313, 1442390626, 2884781252, 5048367191, 10096734382, 20193468764]

約数ペア:

[(1, 20193468764), (2, 10096734382), (4, 5048367191), (7, 2884781252), (14, 1442390626), (28, 721195313), (149, 135526636), (298, 67763318), (421, 47965484), (596, 33881659), (842, 23982742), (1043, 19360948), (1684, 11991371), (2086, 9680474), (2947, 6852212), (4172, 4840237), (5894, 3426106), (11497, 1756412), (11788, 1713053), (22994, 878206), (45988, 439103), (62729, 321916), (80479, 250916), (125458, 160958)]