20205424360

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{227}}^1\times {\mathrm{2273}}^1$

素因数の和:2611

約数の個数: 128

約数和(自身を含む): 50395478400

約数和(自身を除く): 30190054040

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 89, 110, 178, 220, 227, 356, 440, 445, 454, 712, 890, 908, 979, 1135, 1780, 1816, 1958, 2270, 2273, 2497, 3560, 3916, 4540, 4546, 4895, 4994, 7832, 9080, 9092, 9790, 9988, 11365, 12485, 18184, 19580, 19976, 20203, 22730, 24970, 25003, 39160, 40406, 45460, 49940, 50006, 80812, 90920, 99880, 100012, 101015, 125015, 161624, 200024, 202030, 202297, 222233, 250030, 404060, 404594, 444466, 500060, 515971, 808120, 809188, 888932, 1000120, 1011485, 1031942, 1111165, 1618376, 1777864, 2022970, 2063884, 2222330, 2225267, 2579855, 4045940, 4127768, 4444660, 4450534, 5159710, 5675681, 8091880, 8889320, 8901068, 10319420, 11126335, 11351362, 17802136, 20638840, 22252670, 22702724, 28378405, 44505340, 45405448, 45921419, 56756810, 89010680, 91842838, 113513620, 183685676, 227027240, 229607095, 367371352, 459214190, 505135609, 918428380, 1010271218, 1836856760, 2020542436, 2525678045, 4041084872, 5051356090, 10102712180, 20205424360]

約数ペア:

[(1, 20205424360), (2, 10102712180), (4, 5051356090), (5, 4041084872), (8, 2525678045), (10, 2020542436), (11, 1836856760), (20, 1010271218), (22, 918428380), (40, 505135609), (44, 459214190), (55, 367371352), (88, 229607095), (89, 227027240), (110, 183685676), (178, 113513620), (220, 91842838), (227, 89010680), (356, 56756810), (440, 45921419), (445, 45405448), (454, 44505340), (712, 28378405), (890, 22702724), (908, 22252670), (979, 20638840), (1135, 17802136), (1780, 11351362), (1816, 11126335), (1958, 10319420), (2270, 8901068), (2273, 8889320), (2497, 8091880), (3560, 5675681), (3916, 5159710), (4540, 4450534), (4546, 4444660), (4895, 4127768), (4994, 4045940), (7832, 2579855), (9080, 2225267), (9092, 2222330), (9790, 2063884), (9988, 2022970), (11365, 1777864), (12485, 1618376), (18184, 1111165), (19580, 1031942), (19976, 1011485), (20203, 1000120), (22730, 888932), (24970, 809188), (25003, 808120), (39160, 515971), (40406, 500060), (45460, 444466), (49940, 404594), (50006, 404060), (80812, 250030), (90920, 222233), (99880, 202297), (100012, 202030), (101015, 200024), (125015, 161624)]