20111976

素因数分解:

$2^3\times 3^4\times {\mathrm{41}}^1\times {\mathrm{757}}^1$

素因数の和:816

約数の個数: 80

約数和(自身を含む): 57782340

約数和(自身を除く): 37670364

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 41, 54, 72, 81, 82, 108, 123, 162, 164, 216, 246, 324, 328, 369, 492, 648, 738, 757, 984, 1107, 1476, 1514, 2214, 2271, 2952, 3028, 3321, 4428, 4542, 6056, 6642, 6813, 8856, 9084, 13284, 13626, 18168, 20439, 26568, 27252, 31037, 40878, 54504, 61317, 62074, 81756, 93111, 122634, 124148, 163512, 186222, 245268, 248296, 279333, 372444, 490536, 558666, 744888, 837999, 1117332, 1675998, 2234664, 2513997, 3351996, 5027994, 6703992, 10055988, 20111976]

約数ペア:

[(1, 20111976), (2, 10055988), (3, 6703992), (4, 5027994), (6, 3351996), (8, 2513997), (9, 2234664), (12, 1675998), (18, 1117332), (24, 837999), (27, 744888), (36, 558666), (41, 490536), (54, 372444), (72, 279333), (81, 248296), (82, 245268), (108, 186222), (123, 163512), (162, 124148), (164, 122634), (216, 93111), (246, 81756), (324, 62074), (328, 61317), (369, 54504), (492, 40878), (648, 31037), (738, 27252), (757, 26568), (984, 20439), (1107, 18168), (1476, 13626), (1514, 13284), (2214, 9084), (2271, 8856), (2952, 6813), (3028, 6642), (3321, 6056), (4428, 4542)]