20155554

素因数分解:

$2^1\times 3^4\times {\mathrm{83}}^1\times {\mathrm{1499}}^1$

素因数の和:1596

約数の個数: 40

約数和(自身を含む): 45738000

約数和(自身を除く): 25582446

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 83, 162, 166, 249, 498, 747, 1494, 1499, 2241, 2998, 4482, 4497, 6723, 8994, 13446, 13491, 26982, 40473, 80946, 121419, 124417, 242838, 248834, 373251, 746502, 1119753, 2239506, 3359259, 6718518, 10077777, 20155554]

約数ペア:

[(1, 20155554), (2, 10077777), (3, 6718518), (6, 3359259), (9, 2239506), (18, 1119753), (27, 746502), (54, 373251), (81, 248834), (83, 242838), (162, 124417), (166, 121419), (249, 80946), (498, 40473), (747, 26982), (1494, 13491), (1499, 13446), (2241, 8994), (2998, 6723), (4482, 4497)]