20496490548

素因数分解:

$2^2\times 3^1\times {\mathrm{37}}^1\times {\mathrm{151}}^1\times {\mathrm{305717}}^1$

素因数の和:305912

約数の個数: 48

約数和(自身を含む): 49443160704

約数和(自身を除く): 28946670156

約数列:

[1, 2, 3, 4, 6, 12, 37, 74, 111, 148, 151, 222, 302, 444, 453, 604, 906, 1812, 5587, 11174, 16761, 22348, 33522, 67044, 305717, 611434, 917151, 1222868, 1834302, 3668604, 11311529, 22623058, 33934587, 45246116, 46163267, 67869174, 92326534, 135738348, 138489801, 184653068, 276979602, 553959204, 1708040879, 3416081758, 5124122637, 6832163516, 10248245274, 20496490548]

約数ペア:

[(1, 20496490548), (2, 10248245274), (3, 6832163516), (4, 5124122637), (6, 3416081758), (12, 1708040879), (37, 553959204), (74, 276979602), (111, 184653068), (148, 138489801), (151, 135738348), (222, 92326534), (302, 67869174), (444, 46163267), (453, 45246116), (604, 33934587), (906, 22623058), (1812, 11311529), (5587, 3668604), (11174, 1834302), (16761, 1222868), (22348, 917151), (33522, 611434), (67044, 305717)]