20227767880

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{439}}^1\times {\mathrm{24509}}^1$

素因数の和:25006

約数の個数: 64

約数和(自身を含む): 46588608000

約数和(自身を除く): 26360840120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 439, 470, 878, 940, 1756, 1880, 2195, 3512, 4390, 8780, 17560, 20633, 24509, 41266, 49018, 82532, 98036, 103165, 122545, 165064, 196072, 206330, 245090, 412660, 490180, 825320, 980360, 1151923, 2303846, 4607692, 5759615, 9215384, 10759451, 11519230, 21518902, 23038460, 43037804, 46076920, 53797255, 86075608, 107594510, 215189020, 430378040, 505694197, 1011388394, 2022776788, 2528470985, 4045553576, 5056941970, 10113883940, 20227767880]

約数ペア:

[(1, 20227767880), (2, 10113883940), (4, 5056941970), (5, 4045553576), (8, 2528470985), (10, 2022776788), (20, 1011388394), (40, 505694197), (47, 430378040), (94, 215189020), (188, 107594510), (235, 86075608), (376, 53797255), (439, 46076920), (470, 43037804), (878, 23038460), (940, 21518902), (1756, 11519230), (1880, 10759451), (2195, 9215384), (3512, 5759615), (4390, 4607692), (8780, 2303846), (17560, 1151923), (20633, 980360), (24509, 825320), (41266, 490180), (49018, 412660), (82532, 245090), (98036, 206330), (103165, 196072), (122545, 165064)]