20814196

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{21067}}^1$

素因数の和:21103

約数の個数: 24

約数和(自身を含む): 41293280

約数和(自身を除く): 20479084

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 494, 988, 21067, 42134, 84268, 273871, 400273, 547742, 800546, 1095484, 1601092, 5203549, 10407098, 20814196]

約数ペア:

[(1, 20814196), (2, 10407098), (4, 5203549), (13, 1601092), (19, 1095484), (26, 800546), (38, 547742), (52, 400273), (76, 273871), (247, 84268), (494, 42134), (988, 21067)]