20725224

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{367}}^1$

素因数の和:570

約数の個数: 64

約数和(自身を含む): 56259840

約数和(自身を除く): 35534616

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 181, 312, 362, 367, 543, 724, 734, 1086, 1101, 1448, 1468, 2172, 2202, 2353, 2936, 4344, 4404, 4706, 4771, 7059, 8808, 9412, 9542, 14118, 14313, 18824, 19084, 28236, 28626, 38168, 56472, 57252, 66427, 114504, 132854, 199281, 265708, 398562, 531416, 797124, 863551, 1594248, 1727102, 2590653, 3454204, 5181306, 6908408, 10362612, 20725224]

約数ペア:

[(1, 20725224), (2, 10362612), (3, 6908408), (4, 5181306), (6, 3454204), (8, 2590653), (12, 1727102), (13, 1594248), (24, 863551), (26, 797124), (39, 531416), (52, 398562), (78, 265708), (104, 199281), (156, 132854), (181, 114504), (312, 66427), (362, 57252), (367, 56472), (543, 38168), (724, 28626), (734, 28236), (1086, 19084), (1101, 18824), (1448, 14313), (1468, 14118), (2172, 9542), (2202, 9412), (2353, 8808), (2936, 7059), (4344, 4771), (4404, 4706)]