20645226

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{54617}}^1$

素因数の和:54635

約数の個数: 32

約数和(自身を含む): 52433280

約数和(自身を除く): 31788054

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 54617, 109234, 163851, 327702, 382319, 491553, 764638, 983106, 1146957, 1474659, 2293914, 2949318, 3440871, 6881742, 10322613, 20645226]

約数ペア:

[(1, 20645226), (2, 10322613), (3, 6881742), (6, 3440871), (7, 2949318), (9, 2293914), (14, 1474659), (18, 1146957), (21, 983106), (27, 764638), (42, 491553), (54, 382319), (63, 327702), (126, 163851), (189, 109234), (378, 54617)]