20165677570

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{669289}}^1$

素因数の和:669450

約数の個数: 32

約数和(自身を含む): 38165592960

約数和(自身を除く): 17999915390

約数列:

[1, 2, 5, 10, 23, 46, 115, 131, 230, 262, 655, 1310, 3013, 6026, 15065, 30130, 669289, 1338578, 3346445, 6692890, 15393647, 30787294, 76968235, 87676859, 153936470, 175353718, 438384295, 876768590, 2016567757, 4033135514, 10082838785, 20165677570]

約数ペア:

[(1, 20165677570), (2, 10082838785), (5, 4033135514), (10, 2016567757), (23, 876768590), (46, 438384295), (115, 175353718), (131, 153936470), (230, 87676859), (262, 76968235), (655, 30787294), (1310, 15393647), (3013, 6692890), (6026, 3346445), (15065, 1338578), (30130, 669289)]