20440192

素因数分解:

$2^7\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1$

素因数の和:221

約数の個数: 64

約数和(自身を含む): 43623360

約数和(自身を除く): 23183168

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 53, 64, 92, 106, 128, 131, 184, 212, 262, 368, 424, 524, 736, 848, 1048, 1219, 1472, 1696, 2096, 2438, 2944, 3013, 3392, 4192, 4876, 6026, 6784, 6943, 8384, 9752, 12052, 13886, 16768, 19504, 24104, 27772, 39008, 48208, 55544, 78016, 96416, 111088, 156032, 159689, 192832, 222176, 319378, 385664, 444352, 638756, 888704, 1277512, 2555024, 5110048, 10220096, 20440192]

約数ペア:

[(1, 20440192), (2, 10220096), (4, 5110048), (8, 2555024), (16, 1277512), (23, 888704), (32, 638756), (46, 444352), (53, 385664), (64, 319378), (92, 222176), (106, 192832), (128, 159689), (131, 156032), (184, 111088), (212, 96416), (262, 78016), (368, 55544), (424, 48208), (524, 39008), (736, 27772), (848, 24104), (1048, 19504), (1219, 16768), (1472, 13886), (1696, 12052), (2096, 9752), (2438, 8384), (2944, 6943), (3013, 6784), (3392, 6026), (4192, 4876)]