20117870992

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{2803}}^1\times {\mathrm{26387}}^1$

素因数の和:29215

約数の個数: 40

約数和(自身を含む): 41287509216

約数和(自身を除く): 21169638224

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 2803, 5606, 11212, 22424, 26387, 44848, 47651, 52774, 95302, 105548, 190604, 211096, 381208, 422192, 448579, 762416, 897158, 1794316, 3588632, 7177264, 73962761, 147925522, 295851044, 591702088, 1183404176, 1257366937, 2514733874, 5029467748, 10058935496, 20117870992]

約数ペア:

[(1, 20117870992), (2, 10058935496), (4, 5029467748), (8, 2514733874), (16, 1257366937), (17, 1183404176), (34, 591702088), (68, 295851044), (136, 147925522), (272, 73962761), (2803, 7177264), (5606, 3588632), (11212, 1794316), (22424, 897158), (26387, 762416), (44848, 448579), (47651, 422192), (52774, 381208), (95302, 211096), (105548, 190604)]