20212990073

素因数分解:

${\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{349}}^1\times {\mathrm{383}}^1$

素因数の和:897

約数の個数: 32

約数和(自身を含む): 21531955200

約数和(自身を除く): 1318965127

約数列:

[1, 37, 61, 67, 349, 383, 2257, 2479, 4087, 12913, 14171, 21289, 23363, 23383, 25661, 133667, 151219, 787693, 864431, 865171, 949457, 1426363, 1565321, 4945679, 8153687, 8955689, 52775431, 57916877, 301686419, 331360493, 546297029, 20212990073]

約数ペア:

[(1, 20212990073), (37, 546297029), (61, 331360493), (67, 301686419), (349, 57916877), (383, 52775431), (2257, 8955689), (2479, 8153687), (4087, 4945679), (12913, 1565321), (14171, 1426363), (21289, 949457), (23363, 865171), (23383, 864431), (25661, 787693), (133667, 151219)]