20106628

素因数分解:

$2^2\times {\mathrm{29}}^2\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:244

約数の個数: 36

約数和(自身を含む): 37557520

約数和(自身を除く): 17450892

約数列:

[1, 2, 4, 29, 43, 58, 86, 116, 139, 172, 278, 556, 841, 1247, 1682, 2494, 3364, 4031, 4988, 5977, 8062, 11954, 16124, 23908, 36163, 72326, 116899, 144652, 173333, 233798, 346666, 467596, 693332, 5026657, 10053314, 20106628]

約数ペア:

[(1, 20106628), (2, 10053314), (4, 5026657), (29, 693332), (43, 467596), (58, 346666), (86, 233798), (116, 173333), (139, 144652), (172, 116899), (278, 72326), (556, 36163), (841, 23908), (1247, 16124), (1682, 11954), (2494, 8062), (3364, 5977), (4031, 4988)]