20124654910

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1\times {\mathrm{16069}}^1$

素因数の和:16285

約数の個数: 64

約数和(自身を含む): 39362500800

約数和(自身を除く): 19237845890

約数列:

[1, 2, 5, 10, 17, 34, 53, 85, 106, 139, 170, 265, 278, 530, 695, 901, 1390, 1802, 2363, 4505, 4726, 7367, 9010, 11815, 14734, 16069, 23630, 32138, 36835, 73670, 80345, 125239, 160690, 250478, 273173, 546346, 626195, 851657, 1252390, 1365865, 1703314, 2233591, 2731730, 4258285, 4467182, 8516570, 11167955, 14478169, 22335910, 28956338, 37971047, 72390845, 75942094, 118380323, 144781690, 189855235, 236760646, 379710470, 591901615, 1183803230, 2012465491, 4024930982, 10062327455, 20124654910]

約数ペア:

[(1, 20124654910), (2, 10062327455), (5, 4024930982), (10, 2012465491), (17, 1183803230), (34, 591901615), (53, 379710470), (85, 236760646), (106, 189855235), (139, 144781690), (170, 118380323), (265, 75942094), (278, 72390845), (530, 37971047), (695, 28956338), (901, 22335910), (1390, 14478169), (1802, 11167955), (2363, 8516570), (4505, 4467182), (4726, 4258285), (7367, 2731730), (9010, 2233591), (11815, 1703314), (14734, 1365865), (16069, 1252390), (23630, 851657), (32138, 626195), (36835, 546346), (73670, 273173), (80345, 250478), (125239, 160690)]