20493023045

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{1553}}^1\times {\mathrm{3037}}^1$

素因数の和:4685

約数の個数: 32

約数和(自身を含む): 27193259520

約数和(自身を除く): 6700236475

約数列:

[1, 5, 11, 55, 79, 395, 869, 1553, 3037, 4345, 7765, 15185, 17083, 33407, 85415, 122687, 167035, 239923, 613435, 1199615, 1349557, 2639153, 4716461, 6747785, 13195765, 23582305, 51881071, 259405355, 372600419, 1863002095, 4098604609, 20493023045]

約数ペア:

[(1, 20493023045), (5, 4098604609), (11, 1863002095), (55, 372600419), (79, 259405355), (395, 51881071), (869, 23582305), (1553, 13195765), (3037, 6747785), (4345, 4716461), (7765, 2639153), (15185, 1349557), (17083, 1199615), (33407, 613435), (85415, 239923), (122687, 167035)]