20131628

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{4049}}^1$

素因数の和:4177

約数の個数: 24

約数和(自身を含む): 38782800

約数和(自身を除く): 18651172

約数列:

[1, 2, 4, 11, 22, 44, 113, 226, 452, 1243, 2486, 4049, 4972, 8098, 16196, 44539, 89078, 178156, 457537, 915074, 1830148, 5032907, 10065814, 20131628]

約数ペア:

[(1, 20131628), (2, 10065814), (4, 5032907), (11, 1830148), (22, 915074), (44, 457537), (113, 178156), (226, 89078), (452, 44539), (1243, 16196), (2486, 8098), (4049, 4972)]