20171946820

素因数分解:

$2^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{631}}^1\times {\mathrm{8831}}^1$

素因数の和:9652

約数の個数: 48

約数和(自身を含む): 42667462656

約数和(自身を除く): 22495515836

約数列:

[1, 2, 4, 5, 10, 20, 181, 362, 631, 724, 905, 1262, 1810, 2524, 3155, 3620, 6310, 8831, 12620, 17662, 35324, 44155, 88310, 114211, 176620, 228422, 456844, 571055, 1142110, 1598411, 2284220, 3196822, 5572361, 6393644, 7992055, 11144722, 15984110, 22289444, 27861805, 31968220, 55723610, 111447220, 1008597341, 2017194682, 4034389364, 5042986705, 10085973410, 20171946820]

約数ペア:

[(1, 20171946820), (2, 10085973410), (4, 5042986705), (5, 4034389364), (10, 2017194682), (20, 1008597341), (181, 111447220), (362, 55723610), (631, 31968220), (724, 27861805), (905, 22289444), (1262, 15984110), (1810, 11144722), (2524, 7992055), (3155, 6393644), (3620, 5572361), (6310, 3196822), (8831, 2284220), (12620, 1598411), (17662, 1142110), (35324, 571055), (44155, 456844), (88310, 228422), (114211, 176620)]