20123968

素因数分解:

$2^6\times {\mathrm{89}}^1\times {\mathrm{3533}}^1$

素因数の和:3634

約数の個数: 28

約数和(自身を含む): 40393620

約数和(自身を除く): 20269652

約数列:

[1, 2, 4, 8, 16, 32, 64, 89, 178, 356, 712, 1424, 2848, 3533, 5696, 7066, 14132, 28264, 56528, 113056, 226112, 314437, 628874, 1257748, 2515496, 5030992, 10061984, 20123968]

約数ペア:

[(1, 20123968), (2, 10061984), (4, 5030992), (8, 2515496), (16, 1257748), (32, 628874), (64, 314437), (89, 226112), (178, 113056), (356, 56528), (712, 28264), (1424, 14132), (2848, 7066), (3533, 5696)]