20807841678

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{484151}}^1$

素因数の和:484217

約数の個数: 64

約数和(自身を含む): 48802521600

約数和(自身を除く): 27994679922

約数列:

[1, 2, 3, 6, 13, 19, 26, 29, 38, 39, 57, 58, 78, 87, 114, 174, 247, 377, 494, 551, 741, 754, 1102, 1131, 1482, 1653, 2262, 3306, 7163, 14326, 21489, 42978, 484151, 968302, 1452453, 2904906, 6293963, 9198869, 12587926, 14040379, 18397738, 18881889, 27596607, 28080758, 37763778, 42121137, 55193214, 84242274, 119585297, 182524927, 239170594, 266767201, 358755891, 365049854, 533534402, 547574781, 717511782, 800301603, 1095149562, 1600603206, 3467973613, 6935947226, 10403920839, 20807841678]

約数ペア:

[(1, 20807841678), (2, 10403920839), (3, 6935947226), (6, 3467973613), (13, 1600603206), (19, 1095149562), (26, 800301603), (29, 717511782), (38, 547574781), (39, 533534402), (57, 365049854), (58, 358755891), (78, 266767201), (87, 239170594), (114, 182524927), (174, 119585297), (247, 84242274), (377, 55193214), (494, 42121137), (551, 37763778), (741, 28080758), (754, 27596607), (1102, 18881889), (1131, 18397738), (1482, 14040379), (1653, 12587926), (2262, 9198869), (3306, 6293963), (7163, 2904906), (14326, 1452453), (21489, 968302), (42978, 484151)]