20387520

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{7079}}^1$

素因数の和:7102

約数の個数: 84

約数和(自身を含む): 70134480

約数和(自身を除く): 49746960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 144, 160, 180, 192, 240, 288, 320, 360, 480, 576, 720, 960, 1440, 2880, 7079, 14158, 21237, 28316, 35395, 42474, 56632, 63711, 70790, 84948, 106185, 113264, 127422, 141580, 169896, 212370, 226528, 254844, 283160, 318555, 339792, 424740, 453056, 509688, 566320, 637110, 679584, 849480, 1019376, 1132640, 1274220, 1359168, 1698960, 2038752, 2265280, 2548440, 3397920, 4077504, 5096880, 6795840, 10193760, 20387520]

約数ペア:

[(1, 20387520), (2, 10193760), (3, 6795840), (4, 5096880), (5, 4077504), (6, 3397920), (8, 2548440), (9, 2265280), (10, 2038752), (12, 1698960), (15, 1359168), (16, 1274220), (18, 1132640), (20, 1019376), (24, 849480), (30, 679584), (32, 637110), (36, 566320), (40, 509688), (45, 453056), (48, 424740), (60, 339792), (64, 318555), (72, 283160), (80, 254844), (90, 226528), (96, 212370), (120, 169896), (144, 141580), (160, 127422), (180, 113264), (192, 106185), (240, 84948), (288, 70790), (320, 63711), (360, 56632), (480, 42474), (576, 35395), (720, 28316), (960, 21237), (1440, 14158), (2880, 7079)]