20147640220

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{3037}}^1\times {\mathrm{3727}}^1$

素因数の和:6862

約数の個数: 48

約数和(自身を含む): 42811009920

約数和(自身を除く): 22663369700

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 3037, 3727, 6074, 7454, 12148, 14908, 15185, 18635, 30370, 37270, 60740, 74540, 270293, 331703, 540586, 663406, 1081172, 1326812, 1351465, 1658515, 2702930, 3317030, 5405860, 6634060, 11318899, 22637798, 45275596, 56594495, 113188990, 226377980, 1007382011, 2014764022, 4029528044, 5036910055, 10073820110, 20147640220]

約数ペア:

[(1, 20147640220), (2, 10073820110), (4, 5036910055), (5, 4029528044), (10, 2014764022), (20, 1007382011), (89, 226377980), (178, 113188990), (356, 56594495), (445, 45275596), (890, 22637798), (1780, 11318899), (3037, 6634060), (3727, 5405860), (6074, 3317030), (7454, 2702930), (12148, 1658515), (14908, 1351465), (15185, 1326812), (18635, 1081172), (30370, 663406), (37270, 540586), (60740, 331703), (74540, 270293)]