20246568704

素因数分解:

$2^8\times {\mathrm{89}}^1\times {\mathrm{888631}}^1$

素因数の和:888736

約数の個数: 36

約数和(自身を含む): 40868185680

約数和(自身を除く): 20621616976

約数列:

[1, 2, 4, 8, 16, 32, 64, 89, 128, 178, 256, 356, 712, 1424, 2848, 5696, 11392, 22784, 888631, 1777262, 3554524, 7109048, 14218096, 28436192, 56872384, 79088159, 113744768, 158176318, 227489536, 316352636, 632705272, 1265410544, 2530821088, 5061642176, 10123284352, 20246568704]

約数ペア:

[(1, 20246568704), (2, 10123284352), (4, 5061642176), (8, 2530821088), (16, 1265410544), (32, 632705272), (64, 316352636), (89, 227489536), (128, 158176318), (178, 113744768), (256, 79088159), (356, 56872384), (712, 28436192), (1424, 14218096), (2848, 7109048), (5696, 3554524), (11392, 1777262), (22784, 888631)]