20791617546820

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{7001}}^1\times {\mathrm{4790011}}^1$

素因数の和:4797052

約数の個数: 48

約数和(自身を含む): 45077308448256

約数和(自身を除く): 24285690901436

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 7001, 14002, 28004, 35005, 70010, 140020, 217031, 434062, 868124, 1085155, 2170310, 4340620, 4790011, 9580022, 19160044, 23950055, 47900110, 95800220, 148490341, 296980682, 593961364, 742451705, 1484903410, 2969806820, 33534867011, 67069734022, 134139468044, 167674335055, 335348670110, 670697340220, 1039580877341, 2079161754682, 4158323509364, 5197904386705, 10395808773410, 20791617546820]

約数ペア:

[(1, 20791617546820), (2, 10395808773410), (4, 5197904386705), (5, 4158323509364), (10, 2079161754682), (20, 1039580877341), (31, 670697340220), (62, 335348670110), (124, 167674335055), (155, 134139468044), (310, 67069734022), (620, 33534867011), (7001, 2969806820), (14002, 1484903410), (28004, 742451705), (35005, 593961364), (70010, 296980682), (140020, 148490341), (217031, 95800220), (434062, 47900110), (868124, 23950055), (1085155, 19160044), (2170310, 9580022), (4340620, 4790011)]