20347924070

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{181}}^1\times {\mathrm{4057}}^1$

素因数の和:4425

約数の個数: 64

約数和(自身を含む): 39243911616

約数和(自身を除く): 18895987546

約数列:

[1, 2, 5, 10, 17, 34, 85, 163, 170, 181, 326, 362, 815, 905, 1630, 1810, 2771, 3077, 4057, 5542, 6154, 8114, 13855, 15385, 20285, 27710, 29503, 30770, 40570, 59006, 68969, 137938, 147515, 295030, 344845, 501551, 661291, 689690, 734317, 1003102, 1322582, 1468634, 2507755, 3306455, 3671585, 5015510, 6612910, 7343170, 11241947, 12483389, 22483894, 24966778, 56209735, 62416945, 112419470, 119693671, 124833890, 239387342, 598468355, 1196936710, 2034792407, 4069584814, 10173962035, 20347924070]

約数ペア:

[(1, 20347924070), (2, 10173962035), (5, 4069584814), (10, 2034792407), (17, 1196936710), (34, 598468355), (85, 239387342), (163, 124833890), (170, 119693671), (181, 112419470), (326, 62416945), (362, 56209735), (815, 24966778), (905, 22483894), (1630, 12483389), (1810, 11241947), (2771, 7343170), (3077, 6612910), (4057, 5015510), (5542, 3671585), (6154, 3306455), (8114, 2507755), (13855, 1468634), (15385, 1322582), (20285, 1003102), (27710, 734317), (29503, 689690), (30770, 661291), (40570, 501551), (59006, 344845), (68969, 295030), (137938, 147515)]