20171664688

素因数分解:

$2^4\times 7^1\times {\mathrm{229}}^1\times {\mathrm{367}}^1\times {\mathrm{2143}}^1$

素因数の和:2754

約数の個数: 80

約数和(自身を含む): 45004103680

約数和(自身を除く): 24832438992

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 229, 367, 458, 734, 916, 1468, 1603, 1832, 2143, 2569, 2936, 3206, 3664, 4286, 5138, 5872, 6412, 8572, 10276, 12824, 15001, 17144, 20552, 25648, 30002, 34288, 41104, 60004, 84043, 120008, 168086, 240016, 336172, 490747, 588301, 672344, 786481, 981494, 1176602, 1344688, 1572962, 1962988, 2353204, 3145924, 3435229, 3925976, 4706408, 5505367, 6291848, 6870458, 7851952, 9412816, 11010734, 12583696, 13740916, 22021468, 27481832, 44042936, 54963664, 88085872, 180104149, 360208298, 720416596, 1260729043, 1440833192, 2521458086, 2881666384, 5042916172, 10085832344, 20171664688]

約数ペア:

[(1, 20171664688), (2, 10085832344), (4, 5042916172), (7, 2881666384), (8, 2521458086), (14, 1440833192), (16, 1260729043), (28, 720416596), (56, 360208298), (112, 180104149), (229, 88085872), (367, 54963664), (458, 44042936), (734, 27481832), (916, 22021468), (1468, 13740916), (1603, 12583696), (1832, 11010734), (2143, 9412816), (2569, 7851952), (2936, 6870458), (3206, 6291848), (3664, 5505367), (4286, 4706408), (5138, 3925976), (5872, 3435229), (6412, 3145924), (8572, 2353204), (10276, 1962988), (12824, 1572962), (15001, 1344688), (17144, 1176602), (20552, 981494), (25648, 786481), (30002, 672344), (34288, 588301), (41104, 490747), (60004, 336172), (84043, 240016), (120008, 168086)]