20147781285

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{223}}^1\times {\mathrm{1327}}^1$

素因数の和:1667

約数の個数: 96

約数和(自身を含む): 37588561920

約数和(自身を除く): 17440780635

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 89, 153, 223, 255, 267, 445, 669, 765, 801, 1115, 1327, 1335, 1513, 2007, 3345, 3791, 3981, 4005, 4539, 6635, 7565, 10035, 11373, 11943, 13617, 18955, 19847, 19905, 22559, 22695, 34119, 56865, 59541, 59715, 67677, 68085, 99235, 112795, 118103, 170595, 178623, 203031, 295921, 297705, 337399, 338385, 354309, 590515, 887763, 893115, 1012197, 1015155, 1062927, 1479605, 1686995, 1771545, 2007751, 2663289, 3036591, 4438815, 5030657, 5060985, 5314635, 6023253, 10038755, 13316445, 15091971, 15182955, 18069759, 25153285, 26336969, 30116265, 45275913, 75459855, 79010907, 90348795, 131684845, 226379565, 237032721, 395054535, 447728473, 1185163605, 1343185419, 2238642365, 4029556257, 6715927095, 20147781285]

約数ペア:

[(1, 20147781285), (3, 6715927095), (5, 4029556257), (9, 2238642365), (15, 1343185419), (17, 1185163605), (45, 447728473), (51, 395054535), (85, 237032721), (89, 226379565), (153, 131684845), (223, 90348795), (255, 79010907), (267, 75459855), (445, 45275913), (669, 30116265), (765, 26336969), (801, 25153285), (1115, 18069759), (1327, 15182955), (1335, 15091971), (1513, 13316445), (2007, 10038755), (3345, 6023253), (3791, 5314635), (3981, 5060985), (4005, 5030657), (4539, 4438815), (6635, 3036591), (7565, 2663289), (10035, 2007751), (11373, 1771545), (11943, 1686995), (13617, 1479605), (18955, 1062927), (19847, 1015155), (19905, 1012197), (22559, 893115), (22695, 887763), (34119, 590515), (56865, 354309), (59541, 338385), (59715, 337399), (67677, 297705), (68085, 295921), (99235, 203031), (112795, 178623), (118103, 170595)]