20413406

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{61}}^2\times {\mathrm{211}}^1$

素因数の和:348

約数の個数: 24

約数和(自身を含む): 33683832

約数和(自身を除く): 13270426

約数列:

[1, 2, 13, 26, 61, 122, 211, 422, 793, 1586, 2743, 3721, 5486, 7442, 12871, 25742, 48373, 96746, 167323, 334646, 785131, 1570262, 10206703, 20413406]

約数ペア:

[(1, 20413406), (2, 10206703), (13, 1570262), (26, 785131), (61, 334646), (122, 167323), (211, 96746), (422, 48373), (793, 25742), (1586, 12871), (2743, 7442), (3721, 5486)]