20634894

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{389}}^1\times {\mathrm{421}}^1$

素因数の和:825

約数の個数: 48

約数和(自身を含む): 51348960

約数和(自身を除く): 30714066

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 389, 421, 778, 842, 1167, 1263, 2334, 2526, 2723, 2947, 3501, 3789, 5446, 5894, 7002, 7578, 8169, 8841, 16338, 17682, 24507, 26523, 49014, 53046, 163769, 327538, 491307, 982614, 1146383, 1473921, 2292766, 2947842, 3439149, 6878298, 10317447, 20634894]

約数ペア:

[(1, 20634894), (2, 10317447), (3, 6878298), (6, 3439149), (7, 2947842), (9, 2292766), (14, 1473921), (18, 1146383), (21, 982614), (42, 491307), (63, 327538), (126, 163769), (389, 53046), (421, 49014), (778, 26523), (842, 24507), (1167, 17682), (1263, 16338), (2334, 8841), (2526, 8169), (2723, 7578), (2947, 7002), (3501, 5894), (3789, 5446)]