20118228

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{4447}}^1$

素因数の和:4496

約数の個数: 48

約数和(自身を含む): 52308480

約数和(自身を除く): 32190252

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 29, 39, 52, 58, 78, 87, 116, 156, 174, 348, 377, 754, 1131, 1508, 2262, 4447, 4524, 8894, 13341, 17788, 26682, 53364, 57811, 115622, 128963, 173433, 231244, 257926, 346866, 386889, 515852, 693732, 773778, 1547556, 1676519, 3353038, 5029557, 6706076, 10059114, 20118228]

約数ペア:

[(1, 20118228), (2, 10059114), (3, 6706076), (4, 5029557), (6, 3353038), (12, 1676519), (13, 1547556), (26, 773778), (29, 693732), (39, 515852), (52, 386889), (58, 346866), (78, 257926), (87, 231244), (116, 173433), (156, 128963), (174, 115622), (348, 57811), (377, 53364), (754, 26682), (1131, 17788), (1508, 13341), (2262, 8894), (4447, 4524)]