20199208465

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{151549}}^1$

素因数の和:151657

約数の個数: 32

約数和(自身を含む): 27060768000

約数和(自身を除く): 6861559535

約数列:

[1, 5, 19, 23, 61, 95, 115, 305, 437, 1159, 1403, 2185, 5795, 7015, 26657, 133285, 151549, 757745, 2879431, 3485627, 9244489, 14397155, 17428135, 46222445, 66226913, 175645291, 212623247, 331134565, 878226455, 1063116235, 4039841693, 20199208465]

約数ペア:

[(1, 20199208465), (5, 4039841693), (19, 1063116235), (23, 878226455), (61, 331134565), (95, 212623247), (115, 175645291), (305, 66226913), (437, 46222445), (1159, 17428135), (1403, 14397155), (2185, 9244489), (5795, 3485627), (7015, 2879431), (26657, 757745), (133285, 151549)]