20341742920

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{181}}^1\times {\mathrm{33851}}^1$

素因数の和:34126

約数の個数: 64

約数和(自身を含む): 46577643840

約数和(自身を除く): 26235900920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 181, 332, 362, 415, 664, 724, 830, 905, 1448, 1660, 1810, 3320, 3620, 7240, 15023, 30046, 33851, 60092, 67702, 75115, 120184, 135404, 150230, 169255, 270808, 300460, 338510, 600920, 677020, 1354040, 2809633, 5619266, 6127031, 11238532, 12254062, 14048165, 22477064, 24508124, 28096330, 30635155, 49016248, 56192660, 61270310, 112385320, 122540620, 245081240, 508543573, 1017087146, 2034174292, 2542717865, 4068348584, 5085435730, 10170871460, 20341742920]

約数ペア:

[(1, 20341742920), (2, 10170871460), (4, 5085435730), (5, 4068348584), (8, 2542717865), (10, 2034174292), (20, 1017087146), (40, 508543573), (83, 245081240), (166, 122540620), (181, 112385320), (332, 61270310), (362, 56192660), (415, 49016248), (664, 30635155), (724, 28096330), (830, 24508124), (905, 22477064), (1448, 14048165), (1660, 12254062), (1810, 11238532), (3320, 6127031), (3620, 5619266), (7240, 2809633), (15023, 1354040), (30046, 677020), (33851, 600920), (60092, 338510), (67702, 300460), (75115, 270808), (120184, 169255), (135404, 150230)]