20213518

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{13177}}^1$

素因数の和:13251

約数の個数: 16

約数和(自身を含む): 33208560

約数和(自身を除く): 12995042

約数列:

[1, 2, 13, 26, 59, 118, 767, 1534, 13177, 26354, 171301, 342602, 777443, 1554886, 10106759, 20213518]

約数ペア:

[(1, 20213518), (2, 10106759), (13, 1554886), (26, 777443), (59, 342602), (118, 171301), (767, 26354), (1534, 13177)]