20424208

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^2\times {\mathrm{631}}^1$

素因数の和:680

約数の個数: 60

約数和(自身を含む): 48117952

約数和(自身を除く): 27693744

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 56, 68, 112, 119, 136, 238, 272, 289, 476, 578, 631, 952, 1156, 1262, 1904, 2023, 2312, 2524, 4046, 4417, 4624, 5048, 8092, 8834, 10096, 10727, 16184, 17668, 21454, 32368, 35336, 42908, 70672, 75089, 85816, 150178, 171632, 182359, 300356, 364718, 600712, 729436, 1201424, 1276513, 1458872, 2553026, 2917744, 5106052, 10212104, 20424208]

約数ペア:

[(1, 20424208), (2, 10212104), (4, 5106052), (7, 2917744), (8, 2553026), (14, 1458872), (16, 1276513), (17, 1201424), (28, 729436), (34, 600712), (56, 364718), (68, 300356), (112, 182359), (119, 171632), (136, 150178), (238, 85816), (272, 75089), (289, 70672), (476, 42908), (578, 35336), (631, 32368), (952, 21454), (1156, 17668), (1262, 16184), (1904, 10727), (2023, 10096), (2312, 8834), (2524, 8092), (4046, 5048), (4417, 4624)]