20486533808

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2339}}^1\times {\mathrm{2477}}^1$

素因数の和:4854

約数の個数: 80

約数和(自身を含む): 45298038240

約数和(自身を除く): 24811504432

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 104, 136, 208, 221, 272, 442, 884, 1768, 2339, 2477, 3536, 4678, 4954, 9356, 9908, 18712, 19816, 30407, 32201, 37424, 39632, 39763, 42109, 60814, 64402, 79526, 84218, 121628, 128804, 159052, 168436, 243256, 257608, 318104, 336872, 486512, 515216, 516919, 547417, 636208, 673744, 1033838, 1094834, 2067676, 2189668, 4135352, 4379336, 5793703, 8270704, 8758672, 11587406, 23174812, 46349624, 75318139, 92699248, 98492951, 150636278, 196985902, 301272556, 393971804, 602545112, 787943608, 1205090224, 1280408363, 1575887216, 2560816726, 5121633452, 10243266904, 20486533808]

約数ペア:

[(1, 20486533808), (2, 10243266904), (4, 5121633452), (8, 2560816726), (13, 1575887216), (16, 1280408363), (17, 1205090224), (26, 787943608), (34, 602545112), (52, 393971804), (68, 301272556), (104, 196985902), (136, 150636278), (208, 98492951), (221, 92699248), (272, 75318139), (442, 46349624), (884, 23174812), (1768, 11587406), (2339, 8758672), (2477, 8270704), (3536, 5793703), (4678, 4379336), (4954, 4135352), (9356, 2189668), (9908, 2067676), (18712, 1094834), (19816, 1033838), (30407, 673744), (32201, 636208), (37424, 547417), (39632, 516919), (39763, 515216), (42109, 486512), (60814, 336872), (64402, 318104), (79526, 257608), (84218, 243256), (121628, 168436), (128804, 159052)]