20218986501

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{109}}^1\times {\mathrm{3433}}^1$

素因数の和:3666

約数の個数: 64

約数和(自身を含む): 32491683840

約数和(自身を除く): 12272697339

約数列:

[1, 3, 7, 21, 31, 83, 93, 109, 217, 249, 327, 581, 651, 763, 1743, 2289, 2573, 3379, 3433, 7719, 9047, 10137, 10299, 18011, 23653, 24031, 27141, 54033, 63329, 70959, 72093, 106423, 189987, 280457, 284939, 319269, 374197, 744961, 841371, 854817, 1122591, 1963199, 1994573, 2234883, 2619379, 5889597, 5983719, 7858137, 8833109, 11600107, 26499327, 31058351, 34800321, 61831763, 81200749, 93175053, 185495289, 217408457, 243602247, 652225371, 962808881, 2888426643, 6739662167, 20218986501]

約数ペア:

[(1, 20218986501), (3, 6739662167), (7, 2888426643), (21, 962808881), (31, 652225371), (83, 243602247), (93, 217408457), (109, 185495289), (217, 93175053), (249, 81200749), (327, 61831763), (581, 34800321), (651, 31058351), (763, 26499327), (1743, 11600107), (2289, 8833109), (2573, 7858137), (3379, 5983719), (3433, 5889597), (7719, 2619379), (9047, 2234883), (10137, 1994573), (10299, 1963199), (18011, 1122591), (23653, 854817), (24031, 841371), (27141, 744961), (54033, 374197), (63329, 319269), (70959, 284939), (72093, 280457), (106423, 189987)]