20565404900

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{859}}^1\times {\mathrm{14083}}^1$

素因数の和:14973

約数の個数: 72

約数和(自身を含む): 47310409440

約数和(自身を除く): 26745004540

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 170, 340, 425, 850, 859, 1700, 1718, 3436, 4295, 8590, 14083, 14603, 17180, 21475, 28166, 29206, 42950, 56332, 58412, 70415, 73015, 85900, 140830, 146030, 239411, 281660, 292060, 352075, 365075, 478822, 704150, 730150, 957644, 1197055, 1408300, 1460300, 2394110, 4788220, 5985275, 11970550, 12097297, 23941100, 24194594, 48389188, 60486485, 120972970, 205654049, 241945940, 302432425, 411308098, 604864850, 822616196, 1028270245, 1209729700, 2056540490, 4113080980, 5141351225, 10282702450, 20565404900]

約数ペア:

[(1, 20565404900), (2, 10282702450), (4, 5141351225), (5, 4113080980), (10, 2056540490), (17, 1209729700), (20, 1028270245), (25, 822616196), (34, 604864850), (50, 411308098), (68, 302432425), (85, 241945940), (100, 205654049), (170, 120972970), (340, 60486485), (425, 48389188), (850, 24194594), (859, 23941100), (1700, 12097297), (1718, 11970550), (3436, 5985275), (4295, 4788220), (8590, 2394110), (14083, 1460300), (14603, 1408300), (17180, 1197055), (21475, 957644), (28166, 730150), (29206, 704150), (42950, 478822), (56332, 365075), (58412, 352075), (70415, 292060), (73015, 281660), (85900, 239411), (140830, 146030)]