20037945

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{241}}^2$

素因数の和:513

約数の個数: 24

約数和(自身を含む): 33594048

約数和(自身を除く): 13556103

約数列:

[1, 3, 5, 15, 23, 69, 115, 241, 345, 723, 1205, 3615, 5543, 16629, 27715, 58081, 83145, 174243, 290405, 871215, 1335863, 4007589, 6679315, 20037945]

約数ペア:

[(1, 20037945), (3, 6679315), (5, 4007589), (15, 1335863), (23, 871215), (69, 290405), (115, 174243), (241, 83145), (345, 58081), (723, 27715), (1205, 16629), (3615, 5543)]