20898144

素因数分解:

$2^5\times 3^2\times {\mathrm{149}}^1\times {\mathrm{487}}^1$

素因数の和:652

約数の個数: 72

約数和(自身を含む): 59950800

約数和(自身を除く): 39052656

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 149, 288, 298, 447, 487, 596, 894, 974, 1192, 1341, 1461, 1788, 1948, 2384, 2682, 2922, 3576, 3896, 4383, 4768, 5364, 5844, 7152, 7792, 8766, 10728, 11688, 14304, 15584, 17532, 21456, 23376, 35064, 42912, 46752, 70128, 72563, 140256, 145126, 217689, 290252, 435378, 580504, 653067, 870756, 1161008, 1306134, 1741512, 2322016, 2612268, 3483024, 5224536, 6966048, 10449072, 20898144]

約数ペア:

[(1, 20898144), (2, 10449072), (3, 6966048), (4, 5224536), (6, 3483024), (8, 2612268), (9, 2322016), (12, 1741512), (16, 1306134), (18, 1161008), (24, 870756), (32, 653067), (36, 580504), (48, 435378), (72, 290252), (96, 217689), (144, 145126), (149, 140256), (288, 72563), (298, 70128), (447, 46752), (487, 42912), (596, 35064), (894, 23376), (974, 21456), (1192, 17532), (1341, 15584), (1461, 14304), (1788, 11688), (1948, 10728), (2384, 8766), (2682, 7792), (2922, 7152), (3576, 5844), (3896, 5364), (4383, 4768)]