20737438

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1$

素因数の和:232

約数の個数: 32

約数和(自身を含む): 33390720

約数和(自身を除く): 12653282

約数列:

[1, 2, 43, 59, 61, 67, 86, 118, 122, 134, 2537, 2623, 2881, 3599, 3953, 4087, 5074, 5246, 5762, 7198, 7906, 8174, 154757, 169979, 175741, 241133, 309514, 339958, 351482, 482266, 10368719, 20737438]

約数ペア:

[(1, 20737438), (2, 10368719), (43, 482266), (59, 351482), (61, 339958), (67, 309514), (86, 241133), (118, 175741), (122, 169979), (134, 154757), (2537, 8174), (2623, 7906), (2881, 7198), (3599, 5762), (3953, 5246), (4087, 5074)]