20794768478

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{401}}^1\times {\mathrm{81281}}^1$

素因数の和:81724

約数の個数: 32

約数和(自身を含む): 35289393120

約数和(自身を除く): 14494624642

約数列:

[1, 2, 11, 22, 29, 58, 319, 401, 638, 802, 4411, 8822, 11629, 23258, 81281, 127919, 162562, 255838, 894091, 1788182, 2357149, 4714298, 25928639, 32593681, 51857278, 65187362, 358530491, 717060982, 945216749, 1890433498, 10397384239, 20794768478]

約数ペア:

[(1, 20794768478), (2, 10397384239), (11, 1890433498), (22, 945216749), (29, 717060982), (58, 358530491), (319, 65187362), (401, 51857278), (638, 32593681), (802, 25928639), (4411, 4714298), (8822, 2357149), (11629, 1788182), (23258, 894091), (81281, 255838), (127919, 162562)]