20194388515

素因数分解:

$5^1\times 7^1\times {\mathrm{439}}^1\times {\mathrm{461}}^1\times {\mathrm{2851}}^1$

素因数の和:3763

約数の個数: 32

約数和(自身を含む): 27828218880

約数和(自身を除く): 7633830365

約数列:

[1, 5, 7, 35, 439, 461, 2195, 2305, 2851, 3073, 3227, 14255, 15365, 16135, 19957, 99785, 202379, 1011895, 1251589, 1314311, 1416653, 6257945, 6571555, 7083265, 8761123, 9200177, 43805615, 46000885, 576982529, 2884912645, 4038877703, 20194388515]

約数ペア:

[(1, 20194388515), (5, 4038877703), (7, 2884912645), (35, 576982529), (439, 46000885), (461, 43805615), (2195, 9200177), (2305, 8761123), (2851, 7083265), (3073, 6571555), (3227, 6257945), (14255, 1416653), (15365, 1314311), (16135, 1251589), (19957, 1011895), (99785, 202379)]