20137922559

素因数分解:

$3^2\times {\mathrm{19}}^2\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{1409}}^1$

素因数の和:1589

約数の個数: 72

約数和(自身を含む): 31678199280

約数和(自身を除く): 11540276721

約数列:

[1, 3, 9, 19, 53, 57, 83, 159, 171, 249, 361, 477, 747, 1007, 1083, 1409, 1577, 3021, 3249, 4227, 4399, 4731, 9063, 12681, 13197, 14193, 19133, 26771, 29963, 39591, 57399, 74677, 80313, 83581, 89889, 116947, 172197, 224031, 240939, 250743, 269667, 350841, 508649, 672093, 752229, 1052523, 1418863, 1525947, 1588039, 2221993, 4256589, 4577841, 4764117, 6198191, 6665979, 12769767, 14292351, 18594573, 19997937, 26958397, 42217867, 55783719, 80875191, 117765629, 126653601, 242625573, 353296887, 379960803, 1059890661, 2237546951, 6712640853, 20137922559]

約数ペア:

[(1, 20137922559), (3, 6712640853), (9, 2237546951), (19, 1059890661), (53, 379960803), (57, 353296887), (83, 242625573), (159, 126653601), (171, 117765629), (249, 80875191), (361, 55783719), (477, 42217867), (747, 26958397), (1007, 19997937), (1083, 18594573), (1409, 14292351), (1577, 12769767), (3021, 6665979), (3249, 6198191), (4227, 4764117), (4399, 4577841), (4731, 4256589), (9063, 2221993), (12681, 1588039), (13197, 1525947), (14193, 1418863), (19133, 1052523), (26771, 752229), (29963, 672093), (39591, 508649), (57399, 350841), (74677, 269667), (80313, 250743), (83581, 240939), (89889, 224031), (116947, 172197)]