20122085900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1249819}}^1$

素因数の和:1249863

約数の個数: 72

約数和(自身を含む): 52072500480

約数和(自身を除く): 31950414580

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 25, 28, 35, 46, 50, 70, 92, 100, 115, 140, 161, 175, 230, 322, 350, 460, 575, 644, 700, 805, 1150, 1610, 2300, 3220, 4025, 8050, 16100, 1249819, 2499638, 4999276, 6249095, 8748733, 12498190, 17497466, 24996380, 28745837, 31245475, 34994932, 43743665, 57491674, 62490950, 87487330, 114983348, 124981900, 143729185, 174974660, 201220859, 218718325, 287458370, 402441718, 437436650, 574916740, 718645925, 804883436, 874873300, 1006104295, 1437291850, 2012208590, 2874583700, 4024417180, 5030521475, 10061042950, 20122085900]

約数ペア:

[(1, 20122085900), (2, 10061042950), (4, 5030521475), (5, 4024417180), (7, 2874583700), (10, 2012208590), (14, 1437291850), (20, 1006104295), (23, 874873300), (25, 804883436), (28, 718645925), (35, 574916740), (46, 437436650), (50, 402441718), (70, 287458370), (92, 218718325), (100, 201220859), (115, 174974660), (140, 143729185), (161, 124981900), (175, 114983348), (230, 87487330), (322, 62490950), (350, 57491674), (460, 43743665), (575, 34994932), (644, 31245475), (700, 28745837), (805, 24996380), (1150, 17497466), (1610, 12498190), (2300, 8748733), (3220, 6249095), (4025, 4999276), (8050, 2499638), (16100, 1249819)]