20542440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{5903}}^1$

素因数の和:5946

約数の個数: 64

約数和(自身を含む): 63763200

約数和(自身を除く): 43220760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 29, 30, 40, 58, 60, 87, 116, 120, 145, 174, 232, 290, 348, 435, 580, 696, 870, 1160, 1740, 3480, 5903, 11806, 17709, 23612, 29515, 35418, 47224, 59030, 70836, 88545, 118060, 141672, 171187, 177090, 236120, 342374, 354180, 513561, 684748, 708360, 855935, 1027122, 1369496, 1711870, 2054244, 2567805, 3423740, 4108488, 5135610, 6847480, 10271220, 20542440]

約数ペア:

[(1, 20542440), (2, 10271220), (3, 6847480), (4, 5135610), (5, 4108488), (6, 3423740), (8, 2567805), (10, 2054244), (12, 1711870), (15, 1369496), (20, 1027122), (24, 855935), (29, 708360), (30, 684748), (40, 513561), (58, 354180), (60, 342374), (87, 236120), (116, 177090), (120, 171187), (145, 141672), (174, 118060), (232, 88545), (290, 70836), (348, 59030), (435, 47224), (580, 35418), (696, 29515), (870, 23612), (1160, 17709), (1740, 11806), (3480, 5903)]