20561236824

素因数分解:

$2^3\times 3^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{244567}}^1$

素因数の和:244720

約数の個数: 64

約数和(自身を含む): 53531043840

約数和(自身を除く): 32969807016

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 31, 62, 93, 113, 124, 186, 226, 248, 339, 372, 452, 678, 744, 904, 1356, 2712, 3503, 7006, 10509, 14012, 21018, 28024, 42036, 84072, 244567, 489134, 733701, 978268, 1467402, 1956536, 2934804, 5869608, 7581577, 15163154, 22744731, 27636071, 30326308, 45489462, 55272142, 60652616, 82908213, 90978924, 110544284, 165816426, 181957848, 221088568, 331632852, 663265704, 856718201, 1713436402, 2570154603, 3426872804, 5140309206, 6853745608, 10280618412, 20561236824]

約数ペア:

[(1, 20561236824), (2, 10280618412), (3, 6853745608), (4, 5140309206), (6, 3426872804), (8, 2570154603), (12, 1713436402), (24, 856718201), (31, 663265704), (62, 331632852), (93, 221088568), (113, 181957848), (124, 165816426), (186, 110544284), (226, 90978924), (248, 82908213), (339, 60652616), (372, 55272142), (452, 45489462), (678, 30326308), (744, 27636071), (904, 22744731), (1356, 15163154), (2712, 7581577), (3503, 5869608), (7006, 2934804), (10509, 1956536), (14012, 1467402), (21018, 978268), (28024, 733701), (42036, 489134), (84072, 244567)]