20897976274

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{1236713}}^1$

素因数の和:1236810

約数の個数: 32

約数和(自身を含む): 38466752256

約数和(自身を除く): 17568775982

約数列:

[1, 2, 7, 14, 17, 34, 71, 119, 142, 238, 497, 994, 1207, 2414, 8449, 16898, 1236713, 2473426, 8656991, 17313982, 21024121, 42048242, 87806623, 147168847, 175613246, 294337694, 614646361, 1229292722, 1492712591, 2985425182, 10448988137, 20897976274]

約数ペア:

[(1, 20897976274), (2, 10448988137), (7, 2985425182), (14, 1492712591), (17, 1229292722), (34, 614646361), (71, 294337694), (119, 175613246), (142, 147168847), (238, 87806623), (497, 42048242), (994, 21024121), (1207, 17313982), (2414, 8656991), (8449, 2473426), (16898, 1236713)]