20290464

素因数分解:

$2^5\times 3^2\times {\mathrm{47}}^1\times {\mathrm{1499}}^1$

素因数の和:1562

約数の個数: 72

約数和(自身を含む): 58968000

約数和(自身を除く): 38677536

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 47, 48, 72, 94, 96, 141, 144, 188, 282, 288, 376, 423, 564, 752, 846, 1128, 1499, 1504, 1692, 2256, 2998, 3384, 4497, 4512, 5996, 6768, 8994, 11992, 13491, 13536, 17988, 23984, 26982, 35976, 47968, 53964, 70453, 71952, 107928, 140906, 143904, 211359, 215856, 281812, 422718, 431712, 563624, 634077, 845436, 1127248, 1268154, 1690872, 2254496, 2536308, 3381744, 5072616, 6763488, 10145232, 20290464]

約数ペア:

[(1, 20290464), (2, 10145232), (3, 6763488), (4, 5072616), (6, 3381744), (8, 2536308), (9, 2254496), (12, 1690872), (16, 1268154), (18, 1127248), (24, 845436), (32, 634077), (36, 563624), (47, 431712), (48, 422718), (72, 281812), (94, 215856), (96, 211359), (141, 143904), (144, 140906), (188, 107928), (282, 71952), (288, 70453), (376, 53964), (423, 47968), (564, 35976), (752, 26982), (846, 23984), (1128, 17988), (1499, 13536), (1504, 13491), (1692, 11992), (2256, 8994), (2998, 6768), (3384, 5996), (4497, 4512)]