20089120

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1$

素因数の和:194

約数の個数: 96

約数和(自身を含む): 50948352

約数和(自身を除く): 30859232

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 53, 80, 92, 103, 106, 115, 160, 184, 206, 212, 230, 265, 368, 412, 424, 460, 515, 530, 736, 824, 848, 920, 1030, 1060, 1219, 1648, 1696, 1840, 2060, 2120, 2369, 2438, 3296, 3680, 4120, 4240, 4738, 4876, 5459, 6095, 8240, 8480, 9476, 9752, 10918, 11845, 12190, 16480, 18952, 19504, 21836, 23690, 24380, 27295, 37904, 39008, 43672, 47380, 48760, 54590, 75808, 87344, 94760, 97520, 109180, 125557, 174688, 189520, 195040, 218360, 251114, 379040, 436720, 502228, 627785, 873440, 1004456, 1255570, 2008912, 2511140, 4017824, 5022280, 10044560, 20089120]

約数ペア:

[(1, 20089120), (2, 10044560), (4, 5022280), (5, 4017824), (8, 2511140), (10, 2008912), (16, 1255570), (20, 1004456), (23, 873440), (32, 627785), (40, 502228), (46, 436720), (53, 379040), (80, 251114), (92, 218360), (103, 195040), (106, 189520), (115, 174688), (160, 125557), (184, 109180), (206, 97520), (212, 94760), (230, 87344), (265, 75808), (368, 54590), (412, 48760), (424, 47380), (460, 43672), (515, 39008), (530, 37904), (736, 27295), (824, 24380), (848, 23690), (920, 21836), (1030, 19504), (1060, 18952), (1219, 16480), (1648, 12190), (1696, 11845), (1840, 10918), (2060, 9752), (2120, 9476), (2369, 8480), (2438, 8240), (3296, 6095), (3680, 5459), (4120, 4876), (4240, 4738)]