16993420

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{353}}^1$

素因数の和:474

約数の個数: 48

約数和(自身を含む): 37467360

約数和(自身を除く): 20473940

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 83, 116, 145, 166, 290, 332, 353, 415, 580, 706, 830, 1412, 1660, 1765, 2407, 3530, 4814, 7060, 9628, 10237, 12035, 20474, 24070, 29299, 40948, 48140, 51185, 58598, 102370, 117196, 146495, 204740, 292990, 585980, 849671, 1699342, 3398684, 4248355, 8496710, 16993420]

約数ペア:

[(1, 16993420), (2, 8496710), (4, 4248355), (5, 3398684), (10, 1699342), (20, 849671), (29, 585980), (58, 292990), (83, 204740), (116, 146495), (145, 117196), (166, 102370), (290, 58598), (332, 51185), (353, 48140), (415, 40948), (580, 29299), (706, 24070), (830, 20474), (1412, 12035), (1660, 10237), (1765, 9628), (2407, 7060), (3530, 4814)]