20123688

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{64499}}^1$

素因数の和:64521

約数の個数: 32

約数和(自身を含む): 54180000

約数和(自身を除く): 34056312

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 64499, 128998, 193497, 257996, 386994, 515992, 773988, 838487, 1547976, 1676974, 2515461, 3353948, 5030922, 6707896, 10061844, 20123688]

約数ペア:

[(1, 20123688), (2, 10061844), (3, 6707896), (4, 5030922), (6, 3353948), (8, 2515461), (12, 1676974), (13, 1547976), (24, 838487), (26, 773988), (39, 515992), (52, 386994), (78, 257996), (104, 193497), (156, 128998), (312, 64499)]