20730395392

素因数分解:

$2^8\times 7^1\times {\mathrm{31}}^1\times {\mathrm{373171}}^1$

素因数の和:373225

約数の個数: 72

約数和(自身を含む): 48816868352

約数和(自身を除く): 28086472960

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 112, 124, 128, 217, 224, 248, 256, 434, 448, 496, 868, 896, 992, 1736, 1792, 1984, 3472, 3968, 6944, 7936, 13888, 27776, 55552, 373171, 746342, 1492684, 2612197, 2985368, 5224394, 5970736, 10448788, 11568301, 11941472, 20897576, 23136602, 23882944, 41795152, 46273204, 47765888, 80978107, 83590304, 92546408, 95531776, 161956214, 167180608, 185092816, 323912428, 334361216, 370185632, 647824856, 668722432, 740371264, 1295649712, 1480742528, 2591299424, 2961485056, 5182598848, 10365197696, 20730395392]

約数ペア:

[(1, 20730395392), (2, 10365197696), (4, 5182598848), (7, 2961485056), (8, 2591299424), (14, 1480742528), (16, 1295649712), (28, 740371264), (31, 668722432), (32, 647824856), (56, 370185632), (62, 334361216), (64, 323912428), (112, 185092816), (124, 167180608), (128, 161956214), (217, 95531776), (224, 92546408), (248, 83590304), (256, 80978107), (434, 47765888), (448, 46273204), (496, 41795152), (868, 23882944), (896, 23136602), (992, 20897576), (1736, 11941472), (1792, 11568301), (1984, 10448788), (3472, 5970736), (3968, 5224394), (6944, 2985368), (7936, 2612197), (13888, 1492684), (27776, 746342), (55552, 373171)]