20345344

素因数分解:

$2^9\times {\mathrm{79}}^1\times {\mathrm{503}}^1$

素因数の和:600

約数の個数: 40

約数和(自身を含む): 41247360

約数和(自身を除く): 20902016

約数列:

[1, 2, 4, 8, 16, 32, 64, 79, 128, 158, 256, 316, 503, 512, 632, 1006, 1264, 2012, 2528, 4024, 5056, 8048, 10112, 16096, 20224, 32192, 39737, 40448, 64384, 79474, 128768, 158948, 257536, 317896, 635792, 1271584, 2543168, 5086336, 10172672, 20345344]

約数ペア:

[(1, 20345344), (2, 10172672), (4, 5086336), (8, 2543168), (16, 1271584), (32, 635792), (64, 317896), (79, 257536), (128, 158948), (158, 128768), (256, 79474), (316, 64384), (503, 40448), (512, 39737), (632, 32192), (1006, 20224), (1264, 16096), (2012, 10112), (2528, 8048), (4024, 5056)]