20112956740

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{12251}}^1$

素因数の和:12409

約数の個数: 96

約数和(自身を含む): 45645659136

約数和(自身を除く): 25532702396

約数列:

[1, 2, 4, 5, 10, 20, 23, 43, 46, 83, 86, 92, 115, 166, 172, 215, 230, 332, 415, 430, 460, 830, 860, 989, 1660, 1909, 1978, 3569, 3818, 3956, 4945, 7138, 7636, 9545, 9890, 12251, 14276, 17845, 19090, 19780, 24502, 35690, 38180, 49004, 61255, 71380, 82087, 122510, 164174, 245020, 281773, 328348, 410435, 526793, 563546, 820870, 1016833, 1053586, 1127092, 1408865, 1641740, 2033666, 2107172, 2633965, 2817730, 4067332, 5084165, 5267930, 5635460, 10168330, 10535860, 12116239, 20336660, 23387159, 24232478, 43723819, 46774318, 48464956, 60581195, 87447638, 93548636, 116935795, 121162390, 174895276, 218619095, 233871590, 242324780, 437238190, 467743180, 874476380, 1005647837, 2011295674, 4022591348, 5028239185, 10056478370, 20112956740]

約数ペア:

[(1, 20112956740), (2, 10056478370), (4, 5028239185), (5, 4022591348), (10, 2011295674), (20, 1005647837), (23, 874476380), (43, 467743180), (46, 437238190), (83, 242324780), (86, 233871590), (92, 218619095), (115, 174895276), (166, 121162390), (172, 116935795), (215, 93548636), (230, 87447638), (332, 60581195), (415, 48464956), (430, 46774318), (460, 43723819), (830, 24232478), (860, 23387159), (989, 20336660), (1660, 12116239), (1909, 10535860), (1978, 10168330), (3569, 5635460), (3818, 5267930), (3956, 5084165), (4945, 4067332), (7138, 2817730), (7636, 2633965), (9545, 2107172), (9890, 2033666), (12251, 1641740), (14276, 1408865), (17845, 1127092), (19090, 1053586), (19780, 1016833), (24502, 820870), (35690, 563546), (38180, 526793), (49004, 410435), (61255, 328348), (71380, 281773), (82087, 245020), (122510, 164174)]