20121089149

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{307}}^1\times {\mathrm{5153}}^1$

素因数の和:5569

約数の個数: 32

約数和(自身を含む): 24382955520

約数和(自身を除く): 4261866371

約数列:

[1, 7, 23, 79, 161, 307, 553, 1817, 2149, 5153, 7061, 12719, 24253, 36071, 49427, 118519, 169771, 407087, 557819, 829633, 1581971, 2849609, 3904733, 9363001, 11073797, 36385333, 65541007, 124975709, 254697331, 874829963, 2874441307, 20121089149]

約数ペア:

[(1, 20121089149), (7, 2874441307), (23, 874829963), (79, 254697331), (161, 124975709), (307, 65541007), (553, 36385333), (1817, 11073797), (2149, 9363001), (5153, 3904733), (7061, 2849609), (12719, 1581971), (24253, 829633), (36071, 557819), (49427, 407087), (118519, 169771)]