20791030784

素因数分解:

$2^{10}\times {\mathrm{29}}^1\times {\mathrm{700129}}^1$

素因数の和:700178

約数の個数: 44

約数和(自身を含む): 42994983300

約数和(自身を除く): 22203952516

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 64, 116, 128, 232, 256, 464, 512, 928, 1024, 1856, 3712, 7424, 14848, 29696, 700129, 1400258, 2800516, 5601032, 11202064, 20303741, 22404128, 40607482, 44808256, 81214964, 89616512, 162429928, 179233024, 324859856, 358466048, 649719712, 716932096, 1299439424, 2598878848, 5197757696, 10395515392, 20791030784]

約数ペア:

[(1, 20791030784), (2, 10395515392), (4, 5197757696), (8, 2598878848), (16, 1299439424), (29, 716932096), (32, 649719712), (58, 358466048), (64, 324859856), (116, 179233024), (128, 162429928), (232, 89616512), (256, 81214964), (464, 44808256), (512, 40607482), (928, 22404128), (1024, 20303741), (1856, 11202064), (3712, 5601032), (7424, 2800516), (14848, 1400258), (29696, 700129)]