20320333520

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{3791107}}^1$

素因数の和:3791187

約数の個数: 40

約数和(自身を含む): 47949933984

約数和(自身を除く): 27629600464

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 134, 268, 335, 536, 670, 1072, 1340, 2680, 5360, 3791107, 7582214, 15164428, 18955535, 30328856, 37911070, 60657712, 75822140, 151644280, 254004169, 303288560, 508008338, 1016016676, 1270020845, 2032033352, 2540041690, 4064066704, 5080083380, 10160166760, 20320333520]

約数ペア:

[(1, 20320333520), (2, 10160166760), (4, 5080083380), (5, 4064066704), (8, 2540041690), (10, 2032033352), (16, 1270020845), (20, 1016016676), (40, 508008338), (67, 303288560), (80, 254004169), (134, 151644280), (268, 75822140), (335, 60657712), (536, 37911070), (670, 30328856), (1072, 18955535), (1340, 15164428), (2680, 7582214), (5360, 3791107)]