20131964180

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{353}}^1\times {\mathrm{77069}}^1$

素因数の和:77468

約数の個数: 48

約数和(自身を含む): 43543316880

約数和(自身を除く): 23411352700

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 353, 370, 706, 740, 1412, 1765, 3530, 7060, 13061, 26122, 52244, 65305, 77069, 130610, 154138, 261220, 308276, 385345, 770690, 1541380, 2851553, 5703106, 11406212, 14257765, 27205357, 28515530, 54410714, 57031060, 108821428, 136026785, 272053570, 544107140, 1006598209, 2013196418, 4026392836, 5032991045, 10065982090, 20131964180]

約数ペア:

[(1, 20131964180), (2, 10065982090), (4, 5032991045), (5, 4026392836), (10, 2013196418), (20, 1006598209), (37, 544107140), (74, 272053570), (148, 136026785), (185, 108821428), (353, 57031060), (370, 54410714), (706, 28515530), (740, 27205357), (1412, 14257765), (1765, 11406212), (3530, 5703106), (7060, 2851553), (13061, 1541380), (26122, 770690), (52244, 385345), (65305, 308276), (77069, 261220), (130610, 154138)]