20451744

素因数分解:

$2^5\times 3^3\times {\mathrm{23671}}^1$

素因数の和:23690

約数の個数: 48

約数和(自身を含む): 59653440

約数和(自身を除く): 39201696

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 72, 96, 108, 144, 216, 288, 432, 864, 23671, 47342, 71013, 94684, 142026, 189368, 213039, 284052, 378736, 426078, 568104, 639117, 757472, 852156, 1136208, 1278234, 1704312, 2272416, 2556468, 3408624, 5112936, 6817248, 10225872, 20451744]

約数ペア:

[(1, 20451744), (2, 10225872), (3, 6817248), (4, 5112936), (6, 3408624), (8, 2556468), (9, 2272416), (12, 1704312), (16, 1278234), (18, 1136208), (24, 852156), (27, 757472), (32, 639117), (36, 568104), (48, 426078), (54, 378736), (72, 284052), (96, 213039), (108, 189368), (144, 142026), (216, 94684), (288, 71013), (432, 47342), (864, 23671)]