20158974

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{113}}^1$

素因数の和:202

約数の個数: 96

約数和(自身を含む): 51858144

約数和(自身を除く): 31699170

約数列:

[1, 2, 3, 6, 9, 11, 17, 18, 22, 33, 34, 51, 53, 66, 99, 102, 106, 113, 153, 159, 187, 198, 226, 306, 318, 339, 374, 477, 561, 583, 678, 901, 954, 1017, 1122, 1166, 1243, 1683, 1749, 1802, 1921, 2034, 2486, 2703, 3366, 3498, 3729, 3842, 5247, 5406, 5763, 5989, 7458, 8109, 9911, 10494, 11187, 11526, 11978, 16218, 17289, 17967, 19822, 21131, 22374, 29733, 34578, 35934, 42262, 53901, 59466, 63393, 65879, 89199, 101813, 107802, 126786, 131758, 178398, 190179, 197637, 203626, 305439, 380358, 395274, 592911, 610878, 916317, 1119943, 1185822, 1832634, 2239886, 3359829, 6719658, 10079487, 20158974]

約数ペア:

[(1, 20158974), (2, 10079487), (3, 6719658), (6, 3359829), (9, 2239886), (11, 1832634), (17, 1185822), (18, 1119943), (22, 916317), (33, 610878), (34, 592911), (51, 395274), (53, 380358), (66, 305439), (99, 203626), (102, 197637), (106, 190179), (113, 178398), (153, 131758), (159, 126786), (187, 107802), (198, 101813), (226, 89199), (306, 65879), (318, 63393), (339, 59466), (374, 53901), (477, 42262), (561, 35934), (583, 34578), (678, 29733), (901, 22374), (954, 21131), (1017, 19822), (1122, 17967), (1166, 17289), (1243, 16218), (1683, 11978), (1749, 11526), (1802, 11187), (1921, 10494), (2034, 9911), (2486, 8109), (2703, 7458), (3366, 5989), (3498, 5763), (3729, 5406), (3842, 5247)]