20867679

素因数分解:

$3^3\times 7^2\times {\mathrm{15773}}^1$

素因数の和:15796

約数の個数: 24

約数和(自身を含む): 35964720

約数和(自身を除く): 15097041

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 15773, 47319, 110411, 141957, 331233, 425871, 772877, 993699, 2318631, 2981097, 6955893, 20867679]

約数ペア:

[(1, 20867679), (3, 6955893), (7, 2981097), (9, 2318631), (21, 993699), (27, 772877), (49, 425871), (63, 331233), (147, 141957), (189, 110411), (441, 47319), (1323, 15773)]