20161443380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{347731}}^1$

素因数の和:347976

約数の個数: 48

約数和(自身を含む): 45800477184

約数和(自身を除く): 25639033804

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 223, 260, 446, 892, 1115, 2230, 2899, 4460, 5798, 11596, 14495, 28990, 57980, 347731, 695462, 1390924, 1738655, 3477310, 4520503, 6954620, 9041006, 18082012, 22602515, 45205030, 77544013, 90410060, 155088026, 310176052, 387720065, 775440130, 1008072169, 1550880260, 2016144338, 4032288676, 5040360845, 10080721690, 20161443380]

約数ペア:

[(1, 20161443380), (2, 10080721690), (4, 5040360845), (5, 4032288676), (10, 2016144338), (13, 1550880260), (20, 1008072169), (26, 775440130), (52, 387720065), (65, 310176052), (130, 155088026), (223, 90410060), (260, 77544013), (446, 45205030), (892, 22602515), (1115, 18082012), (2230, 9041006), (2899, 6954620), (4460, 4520503), (5798, 3477310), (11596, 1738655), (14495, 1390924), (28990, 695462), (57980, 347731)]