20302191

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{8263}}^1$

素因数の和:8292

約数の個数: 32

約数和(自身を含む): 37022720

約数和(自身を除く): 16720529

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 91, 117, 189, 273, 351, 819, 2457, 8263, 24789, 57841, 74367, 107419, 173523, 223101, 322257, 520569, 751933, 966771, 1561707, 2255799, 2900313, 6767397, 20302191]

約数ペア:

[(1, 20302191), (3, 6767397), (7, 2900313), (9, 2255799), (13, 1561707), (21, 966771), (27, 751933), (39, 520569), (63, 322257), (91, 223101), (117, 173523), (189, 107419), (273, 74367), (351, 57841), (819, 24789), (2457, 8263)]