20901384

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{113}}^1\times {\mathrm{367}}^1$

素因数の和:499

約数の個数: 96

約数和(自身を含む): 65445120

約数和(自身を除く): 44543736

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 113, 126, 168, 226, 252, 339, 367, 452, 504, 678, 734, 791, 904, 1017, 1101, 1356, 1468, 1582, 2034, 2202, 2373, 2569, 2712, 2936, 3164, 3303, 4068, 4404, 4746, 5138, 6328, 6606, 7119, 7707, 8136, 8808, 9492, 10276, 13212, 14238, 15414, 18984, 20552, 23121, 26424, 28476, 30828, 41471, 46242, 56952, 61656, 82942, 92484, 124413, 165884, 184968, 248826, 290297, 331768, 373239, 497652, 580594, 746478, 870891, 995304, 1161188, 1492956, 1741782, 2322376, 2612673, 2985912, 3483564, 5225346, 6967128, 10450692, 20901384]

約数ペア:

[(1, 20901384), (2, 10450692), (3, 6967128), (4, 5225346), (6, 3483564), (7, 2985912), (8, 2612673), (9, 2322376), (12, 1741782), (14, 1492956), (18, 1161188), (21, 995304), (24, 870891), (28, 746478), (36, 580594), (42, 497652), (56, 373239), (63, 331768), (72, 290297), (84, 248826), (113, 184968), (126, 165884), (168, 124413), (226, 92484), (252, 82942), (339, 61656), (367, 56952), (452, 46242), (504, 41471), (678, 30828), (734, 28476), (791, 26424), (904, 23121), (1017, 20552), (1101, 18984), (1356, 15414), (1468, 14238), (1582, 13212), (2034, 10276), (2202, 9492), (2373, 8808), (2569, 8136), (2712, 7707), (2936, 7119), (3164, 6606), (3303, 6328), (4068, 5138), (4404, 4746)]