20920464

素因数分解:

$2^4\times 3^3\times {\mathrm{79}}^1\times {\mathrm{613}}^1$

素因数の和:709

約数の個数: 80

約数和(自身を含む): 60908800

約数和(自身を除く): 39988336

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 79, 108, 144, 158, 216, 237, 316, 432, 474, 613, 632, 711, 948, 1226, 1264, 1422, 1839, 1896, 2133, 2452, 2844, 3678, 3792, 4266, 4904, 5517, 5688, 7356, 8532, 9808, 11034, 11376, 14712, 16551, 17064, 22068, 29424, 33102, 34128, 44136, 48427, 66204, 88272, 96854, 132408, 145281, 193708, 264816, 290562, 387416, 435843, 581124, 774832, 871686, 1162248, 1307529, 1743372, 2324496, 2615058, 3486744, 5230116, 6973488, 10460232, 20920464]

約数ペア:

[(1, 20920464), (2, 10460232), (3, 6973488), (4, 5230116), (6, 3486744), (8, 2615058), (9, 2324496), (12, 1743372), (16, 1307529), (18, 1162248), (24, 871686), (27, 774832), (36, 581124), (48, 435843), (54, 387416), (72, 290562), (79, 264816), (108, 193708), (144, 145281), (158, 132408), (216, 96854), (237, 88272), (316, 66204), (432, 48427), (474, 44136), (613, 34128), (632, 33102), (711, 29424), (948, 22068), (1226, 17064), (1264, 16551), (1422, 14712), (1839, 11376), (1896, 11034), (2133, 9808), (2452, 8532), (2844, 7356), (3678, 5688), (3792, 5517), (4266, 4904)]