16920882

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{457}}^1$

素因数の和:504

約数の個数: 72

約数和(自身を含む): 42761628

約数和(自身を除く): 25840746

約数列:

[1, 2, 3, 6, 9, 11, 17, 18, 22, 33, 34, 51, 66, 99, 102, 121, 153, 187, 198, 242, 306, 363, 374, 457, 561, 726, 914, 1089, 1122, 1371, 1683, 2057, 2178, 2742, 3366, 4113, 4114, 5027, 6171, 7769, 8226, 10054, 12342, 15081, 15538, 18513, 23307, 30162, 37026, 45243, 46614, 55297, 69921, 85459, 90486, 110594, 139842, 165891, 170918, 256377, 331782, 497673, 512754, 769131, 940049, 995346, 1538262, 1880098, 2820147, 5640294, 8460441, 16920882]

約数ペア:

[(1, 16920882), (2, 8460441), (3, 5640294), (6, 2820147), (9, 1880098), (11, 1538262), (17, 995346), (18, 940049), (22, 769131), (33, 512754), (34, 497673), (51, 331782), (66, 256377), (99, 170918), (102, 165891), (121, 139842), (153, 110594), (187, 90486), (198, 85459), (242, 69921), (306, 55297), (363, 46614), (374, 45243), (457, 37026), (561, 30162), (726, 23307), (914, 18513), (1089, 15538), (1122, 15081), (1371, 12342), (1683, 10054), (2057, 8226), (2178, 7769), (2742, 6171), (3366, 5027), (4113, 4114)]