20212960256

素因数分解:

$2^{10}\times {\mathrm{31}}^1\times {\mathrm{636749}}^1$

素因数の和:636800

約数の個数: 44

約数和(自身を含む): 41709672000

約数和(自身を除く): 21496711744

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 512, 992, 1024, 1984, 3968, 7936, 15872, 31744, 636749, 1273498, 2546996, 5093992, 10187984, 19739219, 20375968, 39478438, 40751936, 78956876, 81503872, 157913752, 163007744, 315827504, 326015488, 631655008, 652030976, 1263310016, 2526620032, 5053240064, 10106480128, 20212960256]

約数ペア:

[(1, 20212960256), (2, 10106480128), (4, 5053240064), (8, 2526620032), (16, 1263310016), (31, 652030976), (32, 631655008), (62, 326015488), (64, 315827504), (124, 163007744), (128, 157913752), (248, 81503872), (256, 78956876), (496, 40751936), (512, 39478438), (992, 20375968), (1024, 19739219), (1984, 10187984), (3968, 5093992), (7936, 2546996), (15872, 1273498), (31744, 636749)]