20969233271

素因数分解:

$7^1\times {\mathrm{101}}^1\times {\mathrm{127}}^1\times {\mathrm{409}}^1\times {\mathrm{571}}^1$

素因数の和:1215

約数の個数: 32

約数和(自身を含む): 24495144960

約数和(自身を除く): 3525911689

約数列:

[1, 7, 101, 127, 409, 571, 707, 889, 2863, 3997, 12827, 41309, 51943, 57671, 72517, 89789, 233539, 289163, 363601, 403697, 507619, 1634773, 5246243, 7324217, 23587439, 29659453, 36723701, 51269519, 165112073, 207616171, 2995604753, 20969233271]

約数ペア:

[(1, 20969233271), (7, 2995604753), (101, 207616171), (127, 165112073), (409, 51269519), (571, 36723701), (707, 29659453), (889, 23587439), (2863, 7324217), (3997, 5246243), (12827, 1634773), (41309, 507619), (51943, 403697), (57671, 363601), (72517, 289163), (89789, 233539)]