20673536

素因数分解:

$2^{10}\times {\mathrm{13}}^1\times {\mathrm{1553}}^1$

素因数の和:1586

約数の個数: 44

約数和(自身を含む): 44534532

約数和(自身を除く): 23860996

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 256, 416, 512, 832, 1024, 1553, 1664, 3106, 3328, 6212, 6656, 12424, 13312, 20189, 24848, 40378, 49696, 80756, 99392, 161512, 198784, 323024, 397568, 646048, 795136, 1292096, 1590272, 2584192, 5168384, 10336768, 20673536]

約数ペア:

[(1, 20673536), (2, 10336768), (4, 5168384), (8, 2584192), (13, 1590272), (16, 1292096), (26, 795136), (32, 646048), (52, 397568), (64, 323024), (104, 198784), (128, 161512), (208, 99392), (256, 80756), (416, 49696), (512, 40378), (832, 24848), (1024, 20189), (1553, 13312), (1664, 12424), (3106, 6656), (3328, 6212)]