20199457808

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{283}}^1\times {\mathrm{193957}}^1$

素因数の和:194271

約数の個数: 40

約数和(自身を含む): 40982549568

約数和(自身を除く): 20783091760

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 283, 368, 566, 1132, 2264, 4528, 6509, 13018, 26036, 52072, 104144, 193957, 387914, 775828, 1551656, 3103312, 4461011, 8922022, 17844044, 35688088, 54889831, 71376176, 109779662, 219559324, 439118648, 878237296, 1262466113, 2524932226, 5049864452, 10099728904, 20199457808]

約数ペア:

[(1, 20199457808), (2, 10099728904), (4, 5049864452), (8, 2524932226), (16, 1262466113), (23, 878237296), (46, 439118648), (92, 219559324), (184, 109779662), (283, 71376176), (368, 54889831), (566, 35688088), (1132, 17844044), (2264, 8922022), (4528, 4461011), (6509, 3103312), (13018, 1551656), (26036, 775828), (52072, 387914), (104144, 193957)]