20193628

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1913}}^1$

素因数の和:1966

約数の個数: 48

約数和(自身を含む): 45017280

約数和(自身を除く): 24823652

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 29, 52, 58, 91, 116, 182, 203, 364, 377, 406, 754, 812, 1508, 1913, 2639, 3826, 5278, 7652, 10556, 13391, 24869, 26782, 49738, 53564, 55477, 99476, 110954, 174083, 221908, 348166, 388339, 696332, 721201, 776678, 1442402, 1553356, 2884804, 5048407, 10096814, 20193628]

約数ペア:

[(1, 20193628), (2, 10096814), (4, 5048407), (7, 2884804), (13, 1553356), (14, 1442402), (26, 776678), (28, 721201), (29, 696332), (52, 388339), (58, 348166), (91, 221908), (116, 174083), (182, 110954), (203, 99476), (364, 55477), (377, 53564), (406, 49738), (754, 26782), (812, 24869), (1508, 13391), (1913, 10556), (2639, 7652), (3826, 5278)]