20910816

素因数分解:

$2^5\times 3^2\times {\mathrm{17}}^1\times {\mathrm{4271}}^1$

素因数の和:4304

約数の個数: 72

約数和(自身を含む): 62977824

約数和(自身を除く): 42067008

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 32, 34, 36, 48, 51, 68, 72, 96, 102, 136, 144, 153, 204, 272, 288, 306, 408, 544, 612, 816, 1224, 1632, 2448, 4271, 4896, 8542, 12813, 17084, 25626, 34168, 38439, 51252, 68336, 72607, 76878, 102504, 136672, 145214, 153756, 205008, 217821, 290428, 307512, 410016, 435642, 580856, 615024, 653463, 871284, 1161712, 1230048, 1306926, 1742568, 2323424, 2613852, 3485136, 5227704, 6970272, 10455408, 20910816]

約数ペア:

[(1, 20910816), (2, 10455408), (3, 6970272), (4, 5227704), (6, 3485136), (8, 2613852), (9, 2323424), (12, 1742568), (16, 1306926), (17, 1230048), (18, 1161712), (24, 871284), (32, 653463), (34, 615024), (36, 580856), (48, 435642), (51, 410016), (68, 307512), (72, 290428), (96, 217821), (102, 205008), (136, 153756), (144, 145214), (153, 136672), (204, 102504), (272, 76878), (288, 72607), (306, 68336), (408, 51252), (544, 38439), (612, 34168), (816, 25626), (1224, 17084), (1632, 12813), (2448, 8542), (4271, 4896)]