20199779385

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{607}}^1\times {\mathrm{31247}}^1$

素因数の和:31933

約数の個数: 32

約数和(自身を含む): 32829898752

約数和(自身を除く): 12630119367

約数列:

[1, 3, 5, 15, 71, 213, 355, 607, 1065, 1821, 3035, 9105, 31247, 43097, 93741, 129291, 156235, 215485, 468705, 646455, 2218537, 6655611, 11092685, 18966929, 33278055, 56900787, 94834645, 284503935, 1346651959, 4039955877, 6733259795, 20199779385]

約数ペア:

[(1, 20199779385), (3, 6733259795), (5, 4039955877), (15, 1346651959), (71, 284503935), (213, 94834645), (355, 56900787), (607, 33278055), (1065, 18966929), (1821, 11092685), (3035, 6655611), (9105, 2218537), (31247, 646455), (43097, 468705), (93741, 215485), (129291, 156235)]