20281806

素因数分解:

$2^1\times 3^3\times {\mathrm{379}}^1\times {\mathrm{991}}^1$

素因数の和:1381

約数の個数: 32

約数和(自身を含む): 45235200

約数和(自身を除く): 24953394

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 379, 758, 991, 1137, 1982, 2274, 2973, 3411, 5946, 6822, 8919, 10233, 17838, 20466, 26757, 53514, 375589, 751178, 1126767, 2253534, 3380301, 6760602, 10140903, 20281806]

約数ペア:

[(1, 20281806), (2, 10140903), (3, 6760602), (6, 3380301), (9, 2253534), (18, 1126767), (27, 751178), (54, 375589), (379, 53514), (758, 26757), (991, 20466), (1137, 17838), (1982, 10233), (2274, 8919), (2973, 6822), (3411, 5946)]