20688314096

素因数分解:

$2^4\times {\mathrm{643}}^1\times {\mathrm{941}}^1\times {\mathrm{2137}}^1$

素因数の和:3729

約数の個数: 40

約数和(自身を含む): 40207416144

約数和(自身を除く): 19519102048

約数列:

[1, 2, 4, 8, 16, 643, 941, 1286, 1882, 2137, 2572, 3764, 4274, 5144, 7528, 8548, 10288, 15056, 17096, 34192, 605063, 1210126, 1374091, 2010917, 2420252, 2748182, 4021834, 4840504, 5496364, 8043668, 9681008, 10992728, 16087336, 21985456, 32174672, 1293019631, 2586039262, 5172078524, 10344157048, 20688314096]

約数ペア:

[(1, 20688314096), (2, 10344157048), (4, 5172078524), (8, 2586039262), (16, 1293019631), (643, 32174672), (941, 21985456), (1286, 16087336), (1882, 10992728), (2137, 9681008), (2572, 8043668), (3764, 5496364), (4274, 4840504), (5144, 4021834), (7528, 2748182), (8548, 2420252), (10288, 2010917), (15056, 1374091), (17096, 1210126), (34192, 605063)]