20886714

素因数分解:

$2^1\times 3^3\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{251}}^1$

素因数の和:352

約数の個数: 64

約数和(自身を含む): 49351680

約数和(自身を除く): 28464966

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 46, 54, 67, 69, 134, 138, 201, 207, 251, 402, 414, 502, 603, 621, 753, 1206, 1242, 1506, 1541, 1809, 2259, 3082, 3618, 4518, 4623, 5773, 6777, 9246, 11546, 13554, 13869, 16817, 17319, 27738, 33634, 34638, 41607, 50451, 51957, 83214, 100902, 103914, 151353, 155871, 302706, 311742, 386791, 454059, 773582, 908118, 1160373, 2320746, 3481119, 6962238, 10443357, 20886714]

約数ペア:

[(1, 20886714), (2, 10443357), (3, 6962238), (6, 3481119), (9, 2320746), (18, 1160373), (23, 908118), (27, 773582), (46, 454059), (54, 386791), (67, 311742), (69, 302706), (134, 155871), (138, 151353), (201, 103914), (207, 100902), (251, 83214), (402, 51957), (414, 50451), (502, 41607), (603, 34638), (621, 33634), (753, 27738), (1206, 17319), (1242, 16817), (1506, 13869), (1541, 13554), (1809, 11546), (2259, 9246), (3082, 6777), (3618, 5773), (4518, 4623)]