20677920

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1873}}^1$

素因数の和:1914

約数の個数: 96

約数和(自身を含む): 68003712

約数和(自身を除く): 47325792

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 40, 46, 48, 60, 69, 80, 92, 96, 115, 120, 138, 160, 184, 230, 240, 276, 345, 368, 460, 480, 552, 690, 736, 920, 1104, 1380, 1840, 1873, 2208, 2760, 3680, 3746, 5520, 5619, 7492, 9365, 11040, 11238, 14984, 18730, 22476, 28095, 29968, 37460, 43079, 44952, 56190, 59936, 74920, 86158, 89904, 112380, 129237, 149840, 172316, 179808, 215395, 224760, 258474, 299680, 344632, 430790, 449520, 516948, 646185, 689264, 861580, 899040, 1033896, 1292370, 1378528, 1723160, 2067792, 2584740, 3446320, 4135584, 5169480, 6892640, 10338960, 20677920]

約数ペア:

[(1, 20677920), (2, 10338960), (3, 6892640), (4, 5169480), (5, 4135584), (6, 3446320), (8, 2584740), (10, 2067792), (12, 1723160), (15, 1378528), (16, 1292370), (20, 1033896), (23, 899040), (24, 861580), (30, 689264), (32, 646185), (40, 516948), (46, 449520), (48, 430790), (60, 344632), (69, 299680), (80, 258474), (92, 224760), (96, 215395), (115, 179808), (120, 172316), (138, 149840), (160, 129237), (184, 112380), (230, 89904), (240, 86158), (276, 74920), (345, 59936), (368, 56190), (460, 44952), (480, 43079), (552, 37460), (690, 29968), (736, 28095), (920, 22476), (1104, 18730), (1380, 14984), (1840, 11238), (1873, 11040), (2208, 9365), (2760, 7492), (3680, 5619), (3746, 5520)]