20191901180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{669937}}^1$

素因数の和:670094

約数の個数: 48

約数和(自身を含む): 46595527776

約数和(自身を除く): 26403626596

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 137, 220, 274, 548, 685, 1370, 1507, 2740, 3014, 6028, 7535, 15070, 30140, 669937, 1339874, 2679748, 3349685, 6699370, 7369307, 13398740, 14738614, 29477228, 36846535, 73693070, 91781369, 147386140, 183562738, 367125476, 458906845, 917813690, 1009595059, 1835627380, 2019190118, 4038380236, 5047975295, 10095950590, 20191901180]

約数ペア:

[(1, 20191901180), (2, 10095950590), (4, 5047975295), (5, 4038380236), (10, 2019190118), (11, 1835627380), (20, 1009595059), (22, 917813690), (44, 458906845), (55, 367125476), (110, 183562738), (137, 147386140), (220, 91781369), (274, 73693070), (548, 36846535), (685, 29477228), (1370, 14738614), (1507, 13398740), (2740, 7369307), (3014, 6699370), (6028, 3349685), (7535, 2679748), (15070, 1339874), (30140, 669937)]