20196703725

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{211}}^1\times {\mathrm{739}}^1$

素因数の和:1131

約数の個数: 96

約数和(自身を含む): 36883115520

約数和(自身を除く): 16686411795

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 157, 165, 211, 275, 471, 633, 739, 785, 825, 1055, 1727, 2217, 2321, 2355, 3165, 3695, 3925, 5181, 5275, 6963, 8129, 8635, 11085, 11605, 11775, 15825, 18475, 24387, 25905, 33127, 34815, 40645, 43175, 55425, 58025, 99381, 116023, 121935, 129525, 155929, 165635, 174075, 203225, 348069, 364397, 467787, 496905, 580115, 609675, 779645, 828175, 1093191, 1276253, 1715219, 1740345, 1821985, 2338935, 2484525, 2900575, 3828759, 3898225, 5145657, 5465955, 6381265, 8576095, 8701725, 9109925, 11694675, 19143795, 24480853, 25728285, 27329775, 31906325, 42880475, 73442559, 95718975, 122404265, 128641425, 269289383, 367212795, 612021325, 807868149, 1346446915, 1836063975, 4039340745, 6732234575, 20196703725]

約数ペア:

[(1, 20196703725), (3, 6732234575), (5, 4039340745), (11, 1836063975), (15, 1346446915), (25, 807868149), (33, 612021325), (55, 367212795), (75, 269289383), (157, 128641425), (165, 122404265), (211, 95718975), (275, 73442559), (471, 42880475), (633, 31906325), (739, 27329775), (785, 25728285), (825, 24480853), (1055, 19143795), (1727, 11694675), (2217, 9109925), (2321, 8701725), (2355, 8576095), (3165, 6381265), (3695, 5465955), (3925, 5145657), (5181, 3898225), (5275, 3828759), (6963, 2900575), (8129, 2484525), (8635, 2338935), (11085, 1821985), (11605, 1740345), (11775, 1715219), (15825, 1276253), (18475, 1093191), (24387, 828175), (25905, 779645), (33127, 609675), (34815, 580115), (40645, 496905), (43175, 467787), (55425, 364397), (58025, 348069), (99381, 203225), (116023, 174075), (121935, 165635), (129525, 155929)]