20488232008

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{167}}^1\times {\mathrm{9391}}^1$

素因数の和:9658

約数の個数: 64

約数和(自身を含む): 40898027520

約数和(自身を除く): 20409795512

約数列:

[1, 2, 4, 8, 23, 46, 71, 92, 142, 167, 184, 284, 334, 568, 668, 1336, 1633, 3266, 3841, 6532, 7682, 9391, 11857, 13064, 15364, 18782, 23714, 30728, 37564, 47428, 75128, 94856, 215993, 272711, 431986, 545422, 666761, 863972, 1090844, 1333522, 1568297, 1727944, 2181688, 2667044, 3136594, 5334088, 6273188, 12546376, 15335503, 30671006, 36070831, 61342012, 72141662, 111349087, 122684024, 144283324, 222698174, 288566648, 445396348, 890792696, 2561029001, 5122058002, 10244116004, 20488232008]

約数ペア:

[(1, 20488232008), (2, 10244116004), (4, 5122058002), (8, 2561029001), (23, 890792696), (46, 445396348), (71, 288566648), (92, 222698174), (142, 144283324), (167, 122684024), (184, 111349087), (284, 72141662), (334, 61342012), (568, 36070831), (668, 30671006), (1336, 15335503), (1633, 12546376), (3266, 6273188), (3841, 5334088), (6532, 3136594), (7682, 2667044), (9391, 2181688), (11857, 1727944), (13064, 1568297), (15364, 1333522), (18782, 1090844), (23714, 863972), (30728, 666761), (37564, 545422), (47428, 431986), (75128, 272711), (94856, 215993)]