20122568900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1249849}}^1$

素因数の和:1249893

約数の個数: 72

約数和(自身を含む): 52073750400

約数和(自身を除く): 31951181500

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, 1249849, 2499698, 4999396, 6249245, 8748943, 12498490, 17497886, 24996980, 28746527, 31246225, 34995772, 43744715, 57493054, 62492450, 87489430, 114986108, 124984900, 143732635, 174978860, 201225689, 218723575, 287465270, 402451378, 437447150, 574930540, 718663175, 804902756, 874894300, 1006128445, 1437326350, 2012256890, 2874652700, 4024513780, 5030642225, 10061284450, 20122568900]

約数ペア:

[(1, 20122568900), (2, 10061284450), (4, 5030642225), (5, 4024513780), (7, 2874652700), (10, 2012256890), (14, 1437326350), (20, 1006128445), (23, 874894300), (25, 804902756), (28, 718663175), (35, 574930540), (46, 437447150), (50, 402451378), (70, 287465270), (92, 218723575), (100, 201225689), (115, 174978860), (140, 143732635), (161, 124984900), (175, 114986108), (230, 87489430), (322, 62492450), (350, 57493054), (460, 43744715), (575, 34995772), (644, 31246225), (700, 28746527), (805, 24996980), (1150, 17497886), (1610, 12498490), (2300, 8748943), (3220, 6249245), (4025, 4999396), (8050, 2499698), (16100, 1249849)]