20235585

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{229}}^1$

素因数の和:417

約数の個数: 32

約数和(自身を含む): 33517440

約数和(自身を除く): 13281855

約数列:

[1, 3, 5, 15, 43, 129, 137, 215, 229, 411, 645, 685, 687, 1145, 2055, 3435, 5891, 9847, 17673, 29455, 29541, 31373, 49235, 88365, 94119, 147705, 156865, 470595, 1349039, 4047117, 6745195, 20235585]

約数ペア:

[(1, 20235585), (3, 6745195), (5, 4047117), (15, 1349039), (43, 470595), (129, 156865), (137, 147705), (215, 94119), (229, 88365), (411, 49235), (645, 31373), (685, 29541), (687, 29455), (1145, 17673), (2055, 9847), (3435, 5891)]