20508717208

素因数分解:

$2^3\times 7^1\times {\mathrm{577}}^1\times {\mathrm{634709}}^1$

素因数の和:635299

約数の個数: 32

約数和(自身を含む): 44023485600

約数和(自身を除く): 23514768392

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 577, 1154, 2308, 4039, 4616, 8078, 16156, 32312, 634709, 1269418, 2538836, 4442963, 5077672, 8885926, 17771852, 35543704, 366227093, 732454186, 1464908372, 2563589651, 2929816744, 5127179302, 10254358604, 20508717208]

約数ペア:

[(1, 20508717208), (2, 10254358604), (4, 5127179302), (7, 2929816744), (8, 2563589651), (14, 1464908372), (28, 732454186), (56, 366227093), (577, 35543704), (1154, 17771852), (2308, 8885926), (4039, 5077672), (4616, 4442963), (8078, 2538836), (16156, 1269418), (32312, 634709)]