20161218

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{151}}^1$

素因数の和:208

約数の個数: 96

約数和(自身を含む): 53756928

約数和(自身を除く): 33595710

約数列:

[1, 2, 3, 6, 7, 11, 14, 17, 21, 22, 33, 34, 42, 51, 66, 77, 102, 119, 151, 154, 187, 231, 238, 289, 302, 357, 374, 453, 462, 561, 578, 714, 867, 906, 1057, 1122, 1309, 1661, 1734, 2023, 2114, 2567, 2618, 3171, 3179, 3322, 3927, 4046, 4983, 5134, 6069, 6342, 6358, 7701, 7854, 9537, 9966, 11627, 12138, 15402, 17969, 19074, 22253, 23254, 28237, 34881, 35938, 43639, 44506, 53907, 56474, 66759, 69762, 84711, 87278, 107814, 130917, 133518, 169422, 197659, 261834, 305473, 395318, 480029, 592977, 610946, 916419, 960058, 1185954, 1440087, 1832838, 2880174, 3360203, 6720406, 10080609, 20161218]

約数ペア:

[(1, 20161218), (2, 10080609), (3, 6720406), (6, 3360203), (7, 2880174), (11, 1832838), (14, 1440087), (17, 1185954), (21, 960058), (22, 916419), (33, 610946), (34, 592977), (42, 480029), (51, 395318), (66, 305473), (77, 261834), (102, 197659), (119, 169422), (151, 133518), (154, 130917), (187, 107814), (231, 87278), (238, 84711), (289, 69762), (302, 66759), (357, 56474), (374, 53907), (453, 44506), (462, 43639), (561, 35938), (578, 34881), (714, 28237), (867, 23254), (906, 22253), (1057, 19074), (1122, 17969), (1309, 15402), (1661, 12138), (1734, 11627), (2023, 9966), (2114, 9537), (2567, 7854), (2618, 7701), (3171, 6358), (3179, 6342), (3322, 6069), (3927, 5134), (4046, 4983)]