20215517403

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{1671671}}^1$

素因数の和:1671842

約数の個数: 16

約数和(自身を含む): 28084089600

約数和(自身を除く): 7868572197

約数列:

[1, 3, 29, 87, 139, 417, 4031, 12093, 1671671, 5015013, 48478459, 145435377, 232362269, 697086807, 6738505801, 20215517403]

約数ペア:

[(1, 20215517403), (3, 6738505801), (29, 697086807), (87, 232362269), (139, 145435377), (417, 48478459), (4031, 5015013), (12093, 1671671)]