20196476840

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{311}}^1\times {\mathrm{15173}}^1$

素因数の和:15602

約数の個数: 64

約数和(自身を含む): 46017279360

約数和(自身を除く): 25820802520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 311, 428, 535, 622, 856, 1070, 1244, 1555, 2140, 2488, 3110, 4280, 6220, 12440, 15173, 30346, 33277, 60692, 66554, 75865, 121384, 133108, 151730, 166385, 266216, 303460, 332770, 606920, 665540, 1331080, 1623511, 3247022, 4718803, 6494044, 8117555, 9437606, 12988088, 16235110, 18875212, 23594015, 32470220, 37750424, 47188030, 64940440, 94376060, 188752120, 504911921, 1009823842, 2019647684, 2524559605, 4039295368, 5049119210, 10098238420, 20196476840]

約数ペア:

[(1, 20196476840), (2, 10098238420), (4, 5049119210), (5, 4039295368), (8, 2524559605), (10, 2019647684), (20, 1009823842), (40, 504911921), (107, 188752120), (214, 94376060), (311, 64940440), (428, 47188030), (535, 37750424), (622, 32470220), (856, 23594015), (1070, 18875212), (1244, 16235110), (1555, 12988088), (2140, 9437606), (2488, 8117555), (3110, 6494044), (4280, 4718803), (6220, 3247022), (12440, 1623511), (15173, 1331080), (30346, 665540), (33277, 606920), (60692, 332770), (66554, 303460), (75865, 266216), (121384, 166385), (133108, 151730)]