20158871830

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{461407}}^1$

素因数の和:461688

約数の個数: 32

約数和(自身を含む): 38570017536

約数和(自身を除く): 18411145706

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 257, 514, 1285, 2570, 4369, 8738, 21845, 43690, 461407, 922814, 2307035, 4614070, 7843919, 15687838, 39219595, 78439190, 118581599, 237163198, 592907995, 1185815990, 2015887183, 4031774366, 10079435915, 20158871830]

約数ペア:

[(1, 20158871830), (2, 10079435915), (5, 4031774366), (10, 2015887183), (17, 1185815990), (34, 592907995), (85, 237163198), (170, 118581599), (257, 78439190), (514, 39219595), (1285, 15687838), (2570, 7843919), (4369, 4614070), (8738, 2307035), (21845, 922814), (43690, 461407)]