20178487719

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{151}}^1\times {\mathrm{16553}}^1$

素因数の和:16749

約数の個数: 64

約数和(自身を含む): 33817835520

約数和(自身を除く): 13639347801

約数列:

[1, 3, 9, 13, 23, 27, 39, 69, 117, 151, 207, 299, 351, 453, 621, 897, 1359, 1963, 2691, 3473, 4077, 5889, 8073, 10419, 16553, 17667, 31257, 45149, 49659, 53001, 93771, 135447, 148977, 215189, 380719, 406341, 446931, 645567, 1142157, 1219023, 1936701, 2499503, 3426471, 4949347, 5810103, 7498509, 10279413, 14848041, 22495527, 32493539, 44544123, 57488569, 67486581, 97480617, 133632369, 172465707, 292441851, 517397121, 747351397, 877325553, 1552191363, 2242054191, 6726162573, 20178487719]

約数ペア:

[(1, 20178487719), (3, 6726162573), (9, 2242054191), (13, 1552191363), (23, 877325553), (27, 747351397), (39, 517397121), (69, 292441851), (117, 172465707), (151, 133632369), (207, 97480617), (299, 67486581), (351, 57488569), (453, 44544123), (621, 32493539), (897, 22495527), (1359, 14848041), (1963, 10279413), (2691, 7498509), (3473, 5810103), (4077, 4949347), (5889, 3426471), (8073, 2499503), (10419, 1936701), (16553, 1219023), (17667, 1142157), (31257, 645567), (45149, 446931), (49659, 406341), (53001, 380719), (93771, 215189), (135447, 148977)]