20767040

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1$

素因数の和:224

約数の個数: 112

約数和(自身を含む): 57741312

約数和(自身を除く): 36974272

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 73, 80, 112, 127, 140, 146, 160, 224, 254, 280, 292, 320, 365, 448, 508, 511, 560, 584, 635, 730, 889, 1016, 1022, 1120, 1168, 1270, 1460, 1778, 2032, 2044, 2240, 2336, 2540, 2555, 2920, 3556, 4064, 4088, 4445, 4672, 5080, 5110, 5840, 7112, 8128, 8176, 8890, 9271, 10160, 10220, 11680, 14224, 16352, 17780, 18542, 20320, 20440, 23360, 28448, 32704, 35560, 37084, 40640, 40880, 46355, 56896, 64897, 71120, 74168, 81760, 92710, 129794, 142240, 148336, 163520, 185420, 259588, 284480, 296672, 324485, 370840, 519176, 593344, 648970, 741680, 1038352, 1297940, 1483360, 2076704, 2595880, 2966720, 4153408, 5191760, 10383520, 20767040]

約数ペア:

[(1, 20767040), (2, 10383520), (4, 5191760), (5, 4153408), (7, 2966720), (8, 2595880), (10, 2076704), (14, 1483360), (16, 1297940), (20, 1038352), (28, 741680), (32, 648970), (35, 593344), (40, 519176), (56, 370840), (64, 324485), (70, 296672), (73, 284480), (80, 259588), (112, 185420), (127, 163520), (140, 148336), (146, 142240), (160, 129794), (224, 92710), (254, 81760), (280, 74168), (292, 71120), (320, 64897), (365, 56896), (448, 46355), (508, 40880), (511, 40640), (560, 37084), (584, 35560), (635, 32704), (730, 28448), (889, 23360), (1016, 20440), (1022, 20320), (1120, 18542), (1168, 17780), (1270, 16352), (1460, 14224), (1778, 11680), (2032, 10220), (2044, 10160), (2240, 9271), (2336, 8890), (2540, 8176), (2555, 8128), (2920, 7112), (3556, 5840), (4064, 5110), (4088, 5080), (4445, 4672)]