20144520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{5087}}^1$

素因数の和:5115

約数の個数: 96

約数和(自身を含む): 71435520

約数和(自身を除く): 51291000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 60, 66, 72, 88, 90, 99, 110, 120, 132, 165, 180, 198, 220, 264, 330, 360, 396, 440, 495, 660, 792, 990, 1320, 1980, 3960, 5087, 10174, 15261, 20348, 25435, 30522, 40696, 45783, 50870, 55957, 61044, 76305, 91566, 101740, 111914, 122088, 152610, 167871, 183132, 203480, 223828, 228915, 279785, 305220, 335742, 366264, 447656, 457830, 503613, 559570, 610440, 671484, 839355, 915660, 1007226, 1119140, 1342968, 1678710, 1831320, 2014452, 2238280, 2518065, 3357420, 4028904, 5036130, 6714840, 10072260, 20144520]

約数ペア:

[(1, 20144520), (2, 10072260), (3, 6714840), (4, 5036130), (5, 4028904), (6, 3357420), (8, 2518065), (9, 2238280), (10, 2014452), (11, 1831320), (12, 1678710), (15, 1342968), (18, 1119140), (20, 1007226), (22, 915660), (24, 839355), (30, 671484), (33, 610440), (36, 559570), (40, 503613), (44, 457830), (45, 447656), (55, 366264), (60, 335742), (66, 305220), (72, 279785), (88, 228915), (90, 223828), (99, 203480), (110, 183132), (120, 167871), (132, 152610), (165, 122088), (180, 111914), (198, 101740), (220, 91566), (264, 76305), (330, 61044), (360, 55957), (396, 50870), (440, 45783), (495, 40696), (660, 30522), (792, 25435), (990, 20348), (1320, 15261), (1980, 10174), (3960, 5087)]