20205549

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{24671}}^1$

素因数の和:24697

約数の個数: 24

約数和(自身を含む): 35922432

約数和(自身を除く): 15716883

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 24671, 74013, 172697, 222039, 320723, 518091, 962169, 1554273, 2245061, 2886507, 6735183, 20205549]

約数ペア:

[(1, 20205549), (3, 6735183), (7, 2886507), (9, 2245061), (13, 1554273), (21, 962169), (39, 518091), (63, 320723), (91, 222039), (117, 172697), (273, 74013), (819, 24671)]