20897676

素因数分解:

$2^2\times 3^4\times {\mathrm{64499}}^1$

素因数の和:64515

約数の個数: 30

約数和(自身を含む): 54631500

約数和(自身を除く): 33733824

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 64499, 128998, 193497, 257996, 386994, 580491, 773988, 1160982, 1741473, 2321964, 3482946, 5224419, 6965892, 10448838, 20897676]

約数ペア:

[(1, 20897676), (2, 10448838), (3, 6965892), (4, 5224419), (6, 3482946), (9, 2321964), (12, 1741473), (18, 1160982), (27, 773988), (36, 580491), (54, 386994), (81, 257996), (108, 193497), (162, 128998), (324, 64499)]