20901804224

素因数分解:

$2^6\times 7^1\times {\mathrm{179}}^1\times {\mathrm{260647}}^1$

素因数の和:260845

約数の個数: 56

約数和(自身を含む): 47667306240

約数和(自身を除く): 26765502016

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 179, 224, 358, 448, 716, 1253, 1432, 2506, 2864, 5012, 5728, 10024, 11456, 20048, 40096, 80192, 260647, 521294, 1042588, 1824529, 2085176, 3649058, 4170352, 7298116, 8340704, 14596232, 16681408, 29192464, 46655813, 58384928, 93311626, 116769856, 186623252, 326590691, 373246504, 653181382, 746493008, 1306362764, 1492986016, 2612725528, 2985972032, 5225451056, 10450902112, 20901804224]

約数ペア:

[(1, 20901804224), (2, 10450902112), (4, 5225451056), (7, 2985972032), (8, 2612725528), (14, 1492986016), (16, 1306362764), (28, 746493008), (32, 653181382), (56, 373246504), (64, 326590691), (112, 186623252), (179, 116769856), (224, 93311626), (358, 58384928), (448, 46655813), (716, 29192464), (1253, 16681408), (1432, 14596232), (2506, 8340704), (2864, 7298116), (5012, 4170352), (5728, 3649058), (10024, 2085176), (11456, 1824529), (20048, 1042588), (40096, 521294), (80192, 260647)]