20170684820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{631}}^1\times {\mathrm{11177}}^1$

素因数の和:11841

約数の個数: 96

約数和(自身を含む): 49847083776

約数和(自身を除く): 29676398956

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 631, 715, 1262, 1430, 2524, 2860, 3155, 6310, 6941, 8203, 11177, 12620, 13882, 16406, 22354, 27764, 32812, 34705, 41015, 44708, 55885, 69410, 82030, 90233, 111770, 122947, 138820, 145301, 164060, 180466, 223540, 245894, 290602, 360932, 451165, 491788, 581204, 614735, 726505, 902330, 1229470, 1453010, 1598311, 1804660, 2458940, 2906020, 3196622, 6393244, 7052687, 7991555, 14105374, 15983110, 28210748, 31966220, 35263435, 70526870, 77579557, 91684931, 141053740, 155159114, 183369862, 310318228, 366739724, 387897785, 458424655, 775795570, 916849310, 1008534241, 1551591140, 1833698620, 2017068482, 4034136964, 5042671205, 10085342410, 20170684820]

約数ペア:

[(1, 20170684820), (2, 10085342410), (4, 5042671205), (5, 4034136964), (10, 2017068482), (11, 1833698620), (13, 1551591140), (20, 1008534241), (22, 916849310), (26, 775795570), (44, 458424655), (52, 387897785), (55, 366739724), (65, 310318228), (110, 183369862), (130, 155159114), (143, 141053740), (220, 91684931), (260, 77579557), (286, 70526870), (572, 35263435), (631, 31966220), (715, 28210748), (1262, 15983110), (1430, 14105374), (2524, 7991555), (2860, 7052687), (3155, 6393244), (6310, 3196622), (6941, 2906020), (8203, 2458940), (11177, 1804660), (12620, 1598311), (13882, 1453010), (16406, 1229470), (22354, 902330), (27764, 726505), (32812, 614735), (34705, 581204), (41015, 491788), (44708, 451165), (55885, 360932), (69410, 290602), (82030, 245894), (90233, 223540), (111770, 180466), (122947, 164060), (138820, 145301)]