20172597580

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{337}}^1\times {\mathrm{3517}}^1$

素因数の和:3923

約数の個数: 96

約数和(自身を含む): 45546673536

約数和(自身を除く): 25374075956

約数列:

[1, 2, 4, 5, 10, 20, 23, 37, 46, 74, 92, 115, 148, 185, 230, 337, 370, 460, 674, 740, 851, 1348, 1685, 1702, 3370, 3404, 3517, 4255, 6740, 7034, 7751, 8510, 12469, 14068, 15502, 17020, 17585, 24938, 31004, 35170, 38755, 49876, 62345, 70340, 77510, 80891, 124690, 130129, 155020, 161782, 249380, 260258, 286787, 323564, 404455, 520516, 573574, 650645, 808910, 1147148, 1185229, 1301290, 1433935, 1617820, 2370458, 2602580, 2867870, 2992967, 4740916, 5735740, 5926145, 5985934, 11852290, 11971868, 14964835, 23704580, 27260267, 29929670, 43853473, 54520534, 59859340, 87706946, 109041068, 136301335, 175413892, 219267365, 272602670, 438534730, 545205340, 877069460, 1008629879, 2017259758, 4034519516, 5043149395, 10086298790, 20172597580]

約数ペア:

[(1, 20172597580), (2, 10086298790), (4, 5043149395), (5, 4034519516), (10, 2017259758), (20, 1008629879), (23, 877069460), (37, 545205340), (46, 438534730), (74, 272602670), (92, 219267365), (115, 175413892), (148, 136301335), (185, 109041068), (230, 87706946), (337, 59859340), (370, 54520534), (460, 43853473), (674, 29929670), (740, 27260267), (851, 23704580), (1348, 14964835), (1685, 11971868), (1702, 11852290), (3370, 5985934), (3404, 5926145), (3517, 5735740), (4255, 4740916), (6740, 2992967), (7034, 2867870), (7751, 2602580), (8510, 2370458), (12469, 1617820), (14068, 1433935), (15502, 1301290), (17020, 1185229), (17585, 1147148), (24938, 808910), (31004, 650645), (35170, 573574), (38755, 520516), (49876, 404455), (62345, 323564), (70340, 286787), (77510, 260258), (80891, 249380), (124690, 161782), (130129, 155020)]