20185176

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{487}}^1$

素因数の和:664

約数の個数: 64

約数和(自身を含む): 55514880

約数和(自身を除く): 35329704

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 132, 157, 264, 314, 471, 487, 628, 942, 974, 1256, 1461, 1727, 1884, 1948, 2922, 3454, 3768, 3896, 5181, 5357, 5844, 6908, 10362, 10714, 11688, 13816, 16071, 20724, 21428, 32142, 41448, 42856, 64284, 76459, 128568, 152918, 229377, 305836, 458754, 611672, 841049, 917508, 1682098, 1835016, 2523147, 3364196, 5046294, 6728392, 10092588, 20185176]

約数ペア:

[(1, 20185176), (2, 10092588), (3, 6728392), (4, 5046294), (6, 3364196), (8, 2523147), (11, 1835016), (12, 1682098), (22, 917508), (24, 841049), (33, 611672), (44, 458754), (66, 305836), (88, 229377), (132, 152918), (157, 128568), (264, 76459), (314, 64284), (471, 42856), (487, 41448), (628, 32142), (942, 21428), (974, 20724), (1256, 16071), (1461, 13816), (1727, 11688), (1884, 10714), (1948, 10362), (2922, 6908), (3454, 5844), (3768, 5357), (3896, 5181)]