20083983985

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{4663}}^1$

素因数の和:4814

約数の個数: 64

約数和(自身を含む): 28132651008

約数和(自身を除く): 8048667023

約数列:

[1, 5, 13, 23, 43, 65, 67, 115, 215, 299, 335, 559, 871, 989, 1495, 1541, 2795, 2881, 4355, 4663, 4945, 7705, 12857, 14405, 20033, 23315, 37453, 60619, 64285, 66263, 100165, 107249, 187265, 200509, 303095, 312421, 331315, 536245, 861419, 1002545, 1394237, 1562105, 2606617, 4061473, 4307095, 4611707, 6971185, 7185683, 13033085, 13434103, 20307365, 23058535, 35928415, 59952191, 67170515, 93413879, 174643339, 299760955, 308984369, 467069395, 873216695, 1544921845, 4016796797, 20083983985]

約数ペア:

[(1, 20083983985), (5, 4016796797), (13, 1544921845), (23, 873216695), (43, 467069395), (65, 308984369), (67, 299760955), (115, 174643339), (215, 93413879), (299, 67170515), (335, 59952191), (559, 35928415), (871, 23058535), (989, 20307365), (1495, 13434103), (1541, 13033085), (2795, 7185683), (2881, 6971185), (4355, 4611707), (4663, 4307095), (4945, 4061473), (7705, 2606617), (12857, 1562105), (14405, 1394237), (20033, 1002545), (23315, 861419), (37453, 536245), (60619, 331315), (64285, 312421), (66263, 303095), (100165, 200509), (107249, 187265)]