20037264

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{197}}^1$

素因数の和:384

約数の個数: 80

約数和(自身を含む): 56371392

約数和(自身を除く): 36334128

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 163, 197, 208, 312, 326, 394, 489, 591, 624, 652, 788, 978, 1182, 1304, 1576, 1956, 2119, 2364, 2561, 2608, 3152, 3912, 4238, 4728, 5122, 6357, 7683, 7824, 8476, 9456, 10244, 12714, 15366, 16952, 20488, 25428, 30732, 32111, 33904, 40976, 50856, 61464, 64222, 96333, 101712, 122928, 128444, 192666, 256888, 385332, 417443, 513776, 770664, 834886, 1252329, 1541328, 1669772, 2504658, 3339544, 5009316, 6679088, 10018632, 20037264]

約数ペア:

[(1, 20037264), (2, 10018632), (3, 6679088), (4, 5009316), (6, 3339544), (8, 2504658), (12, 1669772), (13, 1541328), (16, 1252329), (24, 834886), (26, 770664), (39, 513776), (48, 417443), (52, 385332), (78, 256888), (104, 192666), (156, 128444), (163, 122928), (197, 101712), (208, 96333), (312, 64222), (326, 61464), (394, 50856), (489, 40976), (591, 33904), (624, 32111), (652, 30732), (788, 25428), (978, 20488), (1182, 16952), (1304, 15366), (1576, 12714), (1956, 10244), (2119, 9456), (2364, 8476), (2561, 7824), (2608, 7683), (3152, 6357), (3912, 5122), (4238, 4728)]