20961792

素因数分解:

$2^9\times 3^2\times {\mathrm{4549}}^1$

素因数の和:4573

約数の個数: 60

約数和(自身を含む): 60510450

約数和(自身を除く): 39548658

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 128, 144, 192, 256, 288, 384, 512, 576, 768, 1152, 1536, 2304, 4549, 4608, 9098, 13647, 18196, 27294, 36392, 40941, 54588, 72784, 81882, 109176, 145568, 163764, 218352, 291136, 327528, 436704, 582272, 655056, 873408, 1164544, 1310112, 1746816, 2329088, 2620224, 3493632, 5240448, 6987264, 10480896, 20961792]

約数ペア:

[(1, 20961792), (2, 10480896), (3, 6987264), (4, 5240448), (6, 3493632), (8, 2620224), (9, 2329088), (12, 1746816), (16, 1310112), (18, 1164544), (24, 873408), (32, 655056), (36, 582272), (48, 436704), (64, 327528), (72, 291136), (96, 218352), (128, 163764), (144, 145568), (192, 109176), (256, 81882), (288, 72784), (384, 54588), (512, 40941), (576, 36392), (768, 27294), (1152, 18196), (1536, 13647), (2304, 9098), (4549, 4608)]