20017206

素因数分解:

$2^1\times 3^4\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{239}}^1$

素因数の和:311

約数の個数: 80

約数和(自身を含む): 50181120

約数和(自身を除く): 30163914

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 27, 33, 47, 54, 66, 81, 94, 99, 141, 162, 198, 239, 282, 297, 423, 478, 517, 594, 717, 846, 891, 1034, 1269, 1434, 1551, 1782, 2151, 2538, 2629, 3102, 3807, 4302, 4653, 5258, 6453, 7614, 7887, 9306, 11233, 12906, 13959, 15774, 19359, 22466, 23661, 27918, 33699, 38718, 41877, 47322, 67398, 70983, 83754, 101097, 123563, 141966, 202194, 212949, 247126, 303291, 370689, 425898, 606582, 741378, 909873, 1112067, 1819746, 2224134, 3336201, 6672402, 10008603, 20017206]

約数ペア:

[(1, 20017206), (2, 10008603), (3, 6672402), (6, 3336201), (9, 2224134), (11, 1819746), (18, 1112067), (22, 909873), (27, 741378), (33, 606582), (47, 425898), (54, 370689), (66, 303291), (81, 247126), (94, 212949), (99, 202194), (141, 141966), (162, 123563), (198, 101097), (239, 83754), (282, 70983), (297, 67398), (423, 47322), (478, 41877), (517, 38718), (594, 33699), (717, 27918), (846, 23661), (891, 22466), (1034, 19359), (1269, 15774), (1434, 13959), (1551, 12906), (1782, 11233), (2151, 9306), (2538, 7887), (2629, 7614), (3102, 6453), (3807, 5258), (4302, 4653)]