20341560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{179}}^1\times {\mathrm{947}}^1$

素因数の和:1140

約数の個数: 64

約数和(自身を含む): 61430400

約数和(自身を除く): 41088840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 179, 358, 537, 716, 895, 947, 1074, 1432, 1790, 1894, 2148, 2685, 2841, 3580, 3788, 4296, 4735, 5370, 5682, 7160, 7576, 9470, 10740, 11364, 14205, 18940, 21480, 22728, 28410, 37880, 56820, 113640, 169513, 339026, 508539, 678052, 847565, 1017078, 1356104, 1695130, 2034156, 2542695, 3390260, 4068312, 5085390, 6780520, 10170780, 20341560]

約数ペア:

[(1, 20341560), (2, 10170780), (3, 6780520), (4, 5085390), (5, 4068312), (6, 3390260), (8, 2542695), (10, 2034156), (12, 1695130), (15, 1356104), (20, 1017078), (24, 847565), (30, 678052), (40, 508539), (60, 339026), (120, 169513), (179, 113640), (358, 56820), (537, 37880), (716, 28410), (895, 22728), (947, 21480), (1074, 18940), (1432, 14205), (1790, 11364), (1894, 10740), (2148, 9470), (2685, 7576), (2841, 7160), (3580, 5682), (3788, 5370), (4296, 4735)]