20717118

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{857}}^1$

素因数の和:961

約数の個数: 48

約数和(自身を含む): 48185280

約数和(自身を除く): 27468162

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 79, 102, 153, 158, 237, 306, 474, 711, 857, 1343, 1422, 1714, 2571, 2686, 4029, 5142, 7713, 8058, 12087, 14569, 15426, 24174, 29138, 43707, 67703, 87414, 131121, 135406, 203109, 262242, 406218, 609327, 1150951, 1218654, 2301902, 3452853, 6905706, 10358559, 20717118]

約数ペア:

[(1, 20717118), (2, 10358559), (3, 6905706), (6, 3452853), (9, 2301902), (17, 1218654), (18, 1150951), (34, 609327), (51, 406218), (79, 262242), (102, 203109), (153, 135406), (158, 131121), (237, 87414), (306, 67703), (474, 43707), (711, 29138), (857, 24174), (1343, 15426), (1422, 14569), (1714, 12087), (2571, 8058), (2686, 7713), (4029, 5142)]