20943072254

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{419}}^1\times {\mathrm{40903}}^1$

素因数の和:41384

約数の個数: 32

約数和(自身を含む): 34634234880

約数和(自身を除く): 13691162626

約数列:

[1, 2, 13, 26, 47, 94, 419, 611, 838, 1222, 5447, 10894, 19693, 39386, 40903, 81806, 256009, 512018, 531739, 1063478, 1922441, 3844882, 17138357, 24991733, 34276714, 49983466, 222798641, 445597282, 805502779, 1611005558, 10471536127, 20943072254]

約数ペア:

[(1, 20943072254), (2, 10471536127), (13, 1611005558), (26, 805502779), (47, 445597282), (94, 222798641), (419, 49983466), (611, 34276714), (838, 24991733), (1222, 17138357), (5447, 3844882), (10894, 1922441), (19693, 1063478), (39386, 531739), (40903, 512018), (81806, 256009)]