20178163728

素因数分解:

$2^4\times 3^2\times {\mathrm{263}}^1\times {\mathrm{677}}^1\times {\mathrm{787}}^1$

素因数の和:1741

約数の個数: 120

約数和(自身を含む): 56841415488

約数和(自身を除く): 36663251760

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 263, 526, 677, 787, 789, 1052, 1354, 1574, 1578, 2031, 2104, 2361, 2367, 2708, 3148, 3156, 4062, 4208, 4722, 4734, 5416, 6093, 6296, 6312, 7083, 8124, 9444, 9468, 10832, 12186, 12592, 12624, 14166, 16248, 18888, 18936, 24372, 28332, 32496, 37776, 37872, 48744, 56664, 97488, 113328, 178051, 206981, 356102, 413962, 532799, 534153, 620943, 712204, 827924, 1065598, 1068306, 1241886, 1424408, 1598397, 1602459, 1655848, 1862829, 2131196, 2136612, 2483772, 2848816, 3196794, 3204918, 3311696, 3725658, 4262392, 4273224, 4795191, 4967544, 6393588, 6409836, 7451316, 8524784, 8546448, 9590382, 9935088, 12787176, 12819672, 14902632, 19180764, 25574352, 25639344, 29805264, 38361528, 76723056, 140126137, 280252274, 420378411, 560504548, 840756822, 1121009096, 1261135233, 1681513644, 2242018192, 2522270466, 3363027288, 5044540932, 6726054576, 10089081864, 20178163728]

約数ペア:

[(1, 20178163728), (2, 10089081864), (3, 6726054576), (4, 5044540932), (6, 3363027288), (8, 2522270466), (9, 2242018192), (12, 1681513644), (16, 1261135233), (18, 1121009096), (24, 840756822), (36, 560504548), (48, 420378411), (72, 280252274), (144, 140126137), (263, 76723056), (526, 38361528), (677, 29805264), (787, 25639344), (789, 25574352), (1052, 19180764), (1354, 14902632), (1574, 12819672), (1578, 12787176), (2031, 9935088), (2104, 9590382), (2361, 8546448), (2367, 8524784), (2708, 7451316), (3148, 6409836), (3156, 6393588), (4062, 4967544), (4208, 4795191), (4722, 4273224), (4734, 4262392), (5416, 3725658), (6093, 3311696), (6296, 3204918), (6312, 3196794), (7083, 2848816), (8124, 2483772), (9444, 2136612), (9468, 2131196), (10832, 1862829), (12186, 1655848), (12592, 1602459), (12624, 1598397), (14166, 1424408), (16248, 1241886), (18888, 1068306), (18936, 1065598), (24372, 827924), (28332, 712204), (32496, 620943), (37776, 534153), (37872, 532799), (48744, 413962), (56664, 356102), (97488, 206981), (113328, 178051)]