20072921

素因数分解:

${\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{157}}^1\times {\mathrm{197}}^1$

素因数の和:424

約数の個数: 16

約数和(自身を含む): 22524480

約数和(自身を除く): 2451559

約数列:

[1, 11, 59, 157, 197, 649, 1727, 2167, 9263, 11623, 30929, 101893, 127853, 340219, 1824811, 20072921]

約数ペア:

[(1, 20072921), (11, 1824811), (59, 340219), (157, 127853), (197, 101893), (649, 30929), (1727, 11623), (2167, 9263)]