20009328

素因数分解:

$2^4\times 3^1\times {\mathrm{139}}^1\times {\mathrm{2999}}^1$

素因数の和:3149

約数の個数: 40

約数和(自身を含む): 52080000

約数和(自身を除く): 32070672

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 139, 278, 417, 556, 834, 1112, 1668, 2224, 2999, 3336, 5998, 6672, 8997, 11996, 17994, 23992, 35988, 47984, 71976, 143952, 416861, 833722, 1250583, 1667444, 2501166, 3334888, 5002332, 6669776, 10004664, 20009328]

約数ペア:

[(1, 20009328), (2, 10004664), (3, 6669776), (4, 5002332), (6, 3334888), (8, 2501166), (12, 1667444), (16, 1250583), (24, 833722), (48, 416861), (139, 143952), (278, 71976), (417, 47984), (556, 35988), (834, 23992), (1112, 17994), (1668, 11996), (2224, 8997), (2999, 6672), (3336, 5998)]