20161638020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1031}}^1\times {\mathrm{31541}}^1$

素因数の和:32612

約数の個数: 48

約数和(自身を含む): 43749006336

約数和(自身を除く): 23587368316

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 1031, 2062, 4124, 5155, 10310, 20620, 31541, 31961, 63082, 63922, 126164, 127844, 157705, 159805, 315410, 319610, 630820, 639220, 977771, 1955542, 3911084, 4888855, 9777710, 19555420, 32518771, 65037542, 130075084, 162593855, 325187710, 650375420, 1008081901, 2016163802, 4032327604, 5040409505, 10080819010, 20161638020]

約数ペア:

[(1, 20161638020), (2, 10080819010), (4, 5040409505), (5, 4032327604), (10, 2016163802), (20, 1008081901), (31, 650375420), (62, 325187710), (124, 162593855), (155, 130075084), (310, 65037542), (620, 32518771), (1031, 19555420), (2062, 9777710), (4124, 4888855), (5155, 3911084), (10310, 1955542), (20620, 977771), (31541, 639220), (31961, 630820), (63082, 319610), (63922, 315410), (126164, 159805), (127844, 157705)]