20405712

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^2\times {\mathrm{1471}}^1$

素因数の和:1516

約数の個数: 60

約数和(自身を含む): 56036096

約数和(自身を除く): 35630384

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 34, 48, 51, 68, 102, 136, 204, 272, 289, 408, 578, 816, 867, 1156, 1471, 1734, 2312, 2942, 3468, 4413, 4624, 5884, 6936, 8826, 11768, 13872, 17652, 23536, 25007, 35304, 50014, 70608, 75021, 100028, 150042, 200056, 300084, 400112, 425119, 600168, 850238, 1200336, 1275357, 1700476, 2550714, 3400952, 5101428, 6801904, 10202856, 20405712]

約数ペア:

[(1, 20405712), (2, 10202856), (3, 6801904), (4, 5101428), (6, 3400952), (8, 2550714), (12, 1700476), (16, 1275357), (17, 1200336), (24, 850238), (34, 600168), (48, 425119), (51, 400112), (68, 300084), (102, 200056), (136, 150042), (204, 100028), (272, 75021), (289, 70608), (408, 50014), (578, 35304), (816, 25007), (867, 23536), (1156, 17652), (1471, 13872), (1734, 11768), (2312, 8826), (2942, 6936), (3468, 5884), (4413, 4624)]