20950314

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{331}}^1$

素因数の和:491

約数の個数: 64

約数和(自身を含む): 52780032

約数和(自身を除く): 31829718

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 66, 77, 137, 154, 231, 274, 331, 411, 462, 662, 822, 959, 993, 1507, 1918, 1986, 2317, 2877, 3014, 3641, 4521, 4634, 5754, 6951, 7282, 9042, 10549, 10923, 13902, 21098, 21846, 25487, 31647, 45347, 50974, 63294, 76461, 90694, 136041, 152922, 272082, 317429, 498817, 634858, 952287, 997634, 1496451, 1904574, 2992902, 3491719, 6983438, 10475157, 20950314]

約数ペア:

[(1, 20950314), (2, 10475157), (3, 6983438), (6, 3491719), (7, 2992902), (11, 1904574), (14, 1496451), (21, 997634), (22, 952287), (33, 634858), (42, 498817), (66, 317429), (77, 272082), (137, 152922), (154, 136041), (231, 90694), (274, 76461), (331, 63294), (411, 50974), (462, 45347), (662, 31647), (822, 25487), (959, 21846), (993, 21098), (1507, 13902), (1918, 10923), (1986, 10549), (2317, 9042), (2877, 7282), (3014, 6951), (3641, 5754), (4521, 4634)]