20216100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{79}}^1\times {\mathrm{853}}^1$

素因数の和:949

約数の個数: 72

約数和(自身を含む): 59301760

約数和(自身を除く): 39085660

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 79, 100, 150, 158, 237, 300, 316, 395, 474, 790, 853, 948, 1185, 1580, 1706, 1975, 2370, 2559, 3412, 3950, 4265, 4740, 5118, 5925, 7900, 8530, 10236, 11850, 12795, 17060, 21325, 23700, 25590, 42650, 51180, 63975, 67387, 85300, 127950, 134774, 202161, 255900, 269548, 336935, 404322, 673870, 808644, 1010805, 1347740, 1684675, 2021610, 3369350, 4043220, 5054025, 6738700, 10108050, 20216100]

約数ペア:

[(1, 20216100), (2, 10108050), (3, 6738700), (4, 5054025), (5, 4043220), (6, 3369350), (10, 2021610), (12, 1684675), (15, 1347740), (20, 1010805), (25, 808644), (30, 673870), (50, 404322), (60, 336935), (75, 269548), (79, 255900), (100, 202161), (150, 134774), (158, 127950), (237, 85300), (300, 67387), (316, 63975), (395, 51180), (474, 42650), (790, 25590), (853, 23700), (948, 21325), (1185, 17060), (1580, 12795), (1706, 11850), (1975, 10236), (2370, 8530), (2559, 7900), (3412, 5925), (3950, 5118), (4265, 4740)]