20166068260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{520549}}^1$

素因数の和:520720

約数の個数: 48

約数和(自身を含む): 45912510000

約数和(自身を除く): 25746441740

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 149, 260, 298, 596, 745, 1490, 1937, 2980, 3874, 7748, 9685, 19370, 38740, 520549, 1041098, 2082196, 2602745, 5205490, 6767137, 10410980, 13534274, 27068548, 33835685, 67671370, 77561801, 135342740, 155123602, 310247204, 387809005, 775618010, 1008303413, 1551236020, 2016606826, 4033213652, 5041517065, 10083034130, 20166068260]

約数ペア:

[(1, 20166068260), (2, 10083034130), (4, 5041517065), (5, 4033213652), (10, 2016606826), (13, 1551236020), (20, 1008303413), (26, 775618010), (52, 387809005), (65, 310247204), (130, 155123602), (149, 135342740), (260, 77561801), (298, 67671370), (596, 33835685), (745, 27068548), (1490, 13534274), (1937, 10410980), (2980, 6767137), (3874, 5205490), (7748, 2602745), (9685, 2082196), (19370, 1041098), (38740, 520549)]