20237467159

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1627}}^1\times {\mathrm{2579}}^1$

素因数の和:4279

約数の個数: 32

約数和(自身を含む): 25403051520

約数和(自身を除く): 5165584361

約数列:

[1, 7, 13, 53, 91, 371, 689, 1627, 2579, 4823, 11389, 18053, 21151, 33527, 86231, 136687, 148057, 234689, 603617, 956809, 1121003, 1776931, 4196033, 7847021, 12438517, 29372231, 54548429, 222389749, 381839003, 1556728243, 2891066737, 20237467159]

約数ペア:

[(1, 20237467159), (7, 2891066737), (13, 1556728243), (53, 381839003), (91, 222389749), (371, 54548429), (689, 29372231), (1627, 12438517), (2579, 7847021), (4823, 4196033), (11389, 1776931), (18053, 1121003), (21151, 956809), (33527, 603617), (86231, 234689), (136687, 148057)]