201940921

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{20359}}^1$

素因数の和:20488

約数の個数: 16

約数和(自身を含む): 250835200

約数和(自身を除く): 48894279

約数列:

[1, 7, 13, 91, 109, 763, 1417, 9919, 20359, 142513, 264667, 1852669, 2219131, 15533917, 28848703, 201940921]

約数ペア:

[(1, 201940921), (7, 28848703), (13, 15533917), (91, 2219131), (109, 1852669), (763, 264667), (1417, 142513), (9919, 20359)]