20742498

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{164623}}^1$

素因数の和:164638

約数の個数: 24

約数和(自身を含む): 51362688

約数和(自身を除く): 30620190

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 164623, 329246, 493869, 987738, 1152361, 1481607, 2304722, 2963214, 3457083, 6914166, 10371249, 20742498]

約数ペア:

[(1, 20742498), (2, 10371249), (3, 6914166), (6, 3457083), (7, 2963214), (9, 2304722), (14, 1481607), (18, 1152361), (21, 987738), (42, 493869), (63, 329246), (126, 164623)]