20199991684

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{181}}^1\times {\mathrm{29587}}^1$

素因数の和:29836

約数の個数: 48

約数和(自身を含む): 37996672896

約数和(自身を除く): 17796681212

約数列:

[1, 2, 4, 23, 41, 46, 82, 92, 164, 181, 362, 724, 943, 1886, 3772, 4163, 7421, 8326, 14842, 16652, 29587, 29684, 59174, 118348, 170683, 341366, 680501, 682732, 1213067, 1361002, 2426134, 2722004, 4852268, 5355247, 10710494, 21420988, 27900541, 55801082, 111602164, 123170681, 219565127, 246341362, 439130254, 492682724, 878260508, 5049997921, 10099995842, 20199991684]

約数ペア:

[(1, 20199991684), (2, 10099995842), (4, 5049997921), (23, 878260508), (41, 492682724), (46, 439130254), (82, 246341362), (92, 219565127), (164, 123170681), (181, 111602164), (362, 55801082), (724, 27900541), (943, 21420988), (1886, 10710494), (3772, 5355247), (4163, 4852268), (7421, 2722004), (8326, 2426134), (14842, 1361002), (16652, 1213067), (29587, 682732), (29684, 680501), (59174, 341366), (118348, 170683)]