20404846852

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{313}}^1\times {\mathrm{65983}}^1$

素因数の和:66332

約数の個数: 48

約数和(自身を含む): 40609192960

約数和(自身を除く): 20204346108

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 313, 494, 626, 988, 1252, 4069, 5947, 8138, 11894, 16276, 23788, 65983, 77311, 131966, 154622, 263932, 309244, 857779, 1253677, 1715558, 2507354, 3431116, 5014708, 16297801, 20652679, 32595602, 41305358, 65191204, 82610716, 268484827, 392400901, 536969654, 784801802, 1073939308, 1569603604, 5101211713, 10202423426, 20404846852]

約数ペア:

[(1, 20404846852), (2, 10202423426), (4, 5101211713), (13, 1569603604), (19, 1073939308), (26, 784801802), (38, 536969654), (52, 392400901), (76, 268484827), (247, 82610716), (313, 65191204), (494, 41305358), (626, 32595602), (988, 20652679), (1252, 16297801), (4069, 5014708), (5947, 3431116), (8138, 2507354), (11894, 1715558), (16276, 1253677), (23788, 857779), (65983, 309244), (77311, 263932), (131966, 154622)]