20105248905

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{115837}}^1$

素因数の和:115903

約数の個数: 96

約数和(自身を含む): 43369747200

約数和(自身を除く): 23264498295

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 29, 35, 45, 57, 63, 87, 95, 105, 133, 145, 171, 203, 261, 285, 315, 399, 435, 551, 609, 665, 855, 1015, 1197, 1305, 1653, 1827, 1995, 2755, 3045, 3857, 4959, 5985, 8265, 9135, 11571, 19285, 24795, 34713, 57855, 115837, 173565, 347511, 579185, 810859, 1042533, 1737555, 2200903, 2432577, 3359273, 4054295, 5212665, 6602709, 7297731, 10077819, 11004515, 12162885, 15406321, 16796365, 19808127, 23514911, 30233457, 33013545, 36488655, 46218963, 50389095, 63826187, 70544733, 77031605, 99040635, 117574555, 138656889, 151167285, 191478561, 211634199, 231094815, 319130935, 352723665, 446783309, 574435683, 693284445, 957392805, 1058170995, 1340349927, 2233916545, 2872178415, 4021049781, 6701749635, 20105248905]

約数ペア:

[(1, 20105248905), (3, 6701749635), (5, 4021049781), (7, 2872178415), (9, 2233916545), (15, 1340349927), (19, 1058170995), (21, 957392805), (29, 693284445), (35, 574435683), (45, 446783309), (57, 352723665), (63, 319130935), (87, 231094815), (95, 211634199), (105, 191478561), (133, 151167285), (145, 138656889), (171, 117574555), (203, 99040635), (261, 77031605), (285, 70544733), (315, 63826187), (399, 50389095), (435, 46218963), (551, 36488655), (609, 33013545), (665, 30233457), (855, 23514911), (1015, 19808127), (1197, 16796365), (1305, 15406321), (1653, 12162885), (1827, 11004515), (1995, 10077819), (2755, 7297731), (3045, 6602709), (3857, 5212665), (4959, 4054295), (5985, 3359273), (8265, 2432577), (9135, 2200903), (11571, 1737555), (19285, 1042533), (24795, 810859), (34713, 579185), (57855, 347511), (115837, 173565)]