20178817176

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{617}}^1\times {\mathrm{194671}}^1$

素因数の和:195304

約数の個数: 64

約数和(自身を含む): 57747502080

約数和(自身を除く): 37568684904

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 617, 1234, 1851, 2468, 3702, 4319, 4936, 7404, 8638, 12957, 14808, 17276, 25914, 34552, 51828, 103656, 194671, 389342, 584013, 778684, 1168026, 1362697, 1557368, 2336052, 2725394, 4088091, 4672104, 5450788, 8176182, 10901576, 16352364, 32704728, 120112007, 240224014, 360336021, 480448028, 720672042, 840784049, 960896056, 1441344084, 1681568098, 2522352147, 2882688168, 3363136196, 5044704294, 6726272392, 10089408588, 20178817176]

約数ペア:

[(1, 20178817176), (2, 10089408588), (3, 6726272392), (4, 5044704294), (6, 3363136196), (7, 2882688168), (8, 2522352147), (12, 1681568098), (14, 1441344084), (21, 960896056), (24, 840784049), (28, 720672042), (42, 480448028), (56, 360336021), (84, 240224014), (168, 120112007), (617, 32704728), (1234, 16352364), (1851, 10901576), (2468, 8176182), (3702, 5450788), (4319, 4672104), (4936, 4088091), (7404, 2725394), (8638, 2336052), (12957, 1557368), (14808, 1362697), (17276, 1168026), (25914, 778684), (34552, 584013), (51828, 389342), (103656, 194671)]