20838906

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{151}}^1$

素因数の和:228

約数の個数: 96

約数和(自身を含む): 53778816

約数和(自身を除く): 32939910

約数列:

[1, 2, 3, 6, 9, 11, 17, 18, 22, 33, 34, 41, 51, 66, 82, 99, 102, 123, 151, 153, 187, 198, 246, 302, 306, 369, 374, 451, 453, 561, 697, 738, 902, 906, 1122, 1353, 1359, 1394, 1661, 1683, 2091, 2567, 2706, 2718, 3322, 3366, 4059, 4182, 4983, 5134, 6191, 6273, 7667, 7701, 8118, 9966, 12382, 12546, 14949, 15334, 15402, 18573, 23001, 23103, 28237, 29898, 37146, 46002, 46206, 55719, 56474, 68101, 69003, 84711, 105247, 111438, 136202, 138006, 169422, 204303, 210494, 254133, 315741, 408606, 508266, 612909, 631482, 947223, 1157717, 1225818, 1894446, 2315434, 3473151, 6946302, 10419453, 20838906]

約数ペア:

[(1, 20838906), (2, 10419453), (3, 6946302), (6, 3473151), (9, 2315434), (11, 1894446), (17, 1225818), (18, 1157717), (22, 947223), (33, 631482), (34, 612909), (41, 508266), (51, 408606), (66, 315741), (82, 254133), (99, 210494), (102, 204303), (123, 169422), (151, 138006), (153, 136202), (187, 111438), (198, 105247), (246, 84711), (302, 69003), (306, 68101), (369, 56474), (374, 55719), (451, 46206), (453, 46002), (561, 37146), (697, 29898), (738, 28237), (902, 23103), (906, 23001), (1122, 18573), (1353, 15402), (1359, 15334), (1394, 14949), (1661, 12546), (1683, 12382), (2091, 9966), (2567, 8118), (2706, 7701), (2718, 7667), (3322, 6273), (3366, 6191), (4059, 5134), (4182, 4983)]