20512781328

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{2731}}^1\times {\mathrm{12037}}^1$

素因数の和:14792

約数の個数: 80

約数和(自身を含む): 57093248576

約数和(自身を除く): 36580467248

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 2731, 5462, 8193, 10924, 12037, 16386, 21848, 24074, 32772, 35503, 36111, 43696, 48148, 65544, 71006, 72222, 96296, 106509, 131088, 142012, 144444, 156481, 192592, 213018, 284024, 288888, 312962, 426036, 469443, 568048, 577776, 625924, 852072, 938886, 1251848, 1704144, 1877772, 2503696, 3755544, 7511088, 32873047, 65746094, 98619141, 131492188, 197238282, 262984376, 394476564, 427349611, 525968752, 788953128, 854699222, 1282048833, 1577906256, 1709398444, 2564097666, 3418796888, 5128195332, 6837593776, 10256390664, 20512781328]

約数ペア:

[(1, 20512781328), (2, 10256390664), (3, 6837593776), (4, 5128195332), (6, 3418796888), (8, 2564097666), (12, 1709398444), (13, 1577906256), (16, 1282048833), (24, 854699222), (26, 788953128), (39, 525968752), (48, 427349611), (52, 394476564), (78, 262984376), (104, 197238282), (156, 131492188), (208, 98619141), (312, 65746094), (624, 32873047), (2731, 7511088), (5462, 3755544), (8193, 2503696), (10924, 1877772), (12037, 1704144), (16386, 1251848), (21848, 938886), (24074, 852072), (32772, 625924), (35503, 577776), (36111, 568048), (43696, 469443), (48148, 426036), (65544, 312962), (71006, 288888), (72222, 284024), (96296, 213018), (106509, 192592), (131088, 156481), (142012, 144444)]