20199159728

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{45779}}^1$

素因数の和:45930

約数の個数: 80

約数和(自身を含む): 44959622400

約数和(自身を除く): 24760462672

約数列:

[1, 2, 4, 8, 11, 16, 22, 23, 44, 46, 88, 92, 109, 176, 184, 218, 253, 368, 436, 506, 872, 1012, 1199, 1744, 2024, 2398, 2507, 4048, 4796, 5014, 9592, 10028, 19184, 20056, 27577, 40112, 45779, 55154, 91558, 110308, 183116, 220616, 366232, 441232, 503569, 732464, 1007138, 1052917, 2014276, 2105834, 4028552, 4211668, 4989911, 8057104, 8423336, 9979822, 11582087, 16846672, 19959644, 23164174, 39919288, 46328348, 54889021, 79838576, 92656696, 109778042, 114767953, 185313392, 219556084, 229535906, 439112168, 459071812, 878224336, 918143624, 1262447483, 1836287248, 2524894966, 5049789932, 10099579864, 20199159728]

約数ペア:

[(1, 20199159728), (2, 10099579864), (4, 5049789932), (8, 2524894966), (11, 1836287248), (16, 1262447483), (22, 918143624), (23, 878224336), (44, 459071812), (46, 439112168), (88, 229535906), (92, 219556084), (109, 185313392), (176, 114767953), (184, 109778042), (218, 92656696), (253, 79838576), (368, 54889021), (436, 46328348), (506, 39919288), (872, 23164174), (1012, 19959644), (1199, 16846672), (1744, 11582087), (2024, 9979822), (2398, 8423336), (2507, 8057104), (4048, 4989911), (4796, 4211668), (5014, 4028552), (9592, 2105834), (10028, 2014276), (19184, 1052917), (20056, 1007138), (27577, 732464), (40112, 503569), (45779, 441232), (55154, 366232), (91558, 220616), (110308, 183116)]