20453488

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{251}}^1\times {\mathrm{463}}^1$

素因数の和:733

約数の個数: 40

約数和(自身を含む): 43497216

約数和(自身を除く): 23043728

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 251, 463, 502, 926, 1004, 1852, 2008, 2761, 3704, 4016, 5093, 5522, 7408, 10186, 11044, 20372, 22088, 40744, 44176, 81488, 116213, 232426, 464852, 929704, 1278343, 1859408, 2556686, 5113372, 10226744, 20453488]

約数ペア:

[(1, 20453488), (2, 10226744), (4, 5113372), (8, 2556686), (11, 1859408), (16, 1278343), (22, 929704), (44, 464852), (88, 232426), (176, 116213), (251, 81488), (463, 44176), (502, 40744), (926, 22088), (1004, 20372), (1852, 11044), (2008, 10186), (2761, 7408), (3704, 5522), (4016, 5093)]