20201313

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1$

素因数の和:174

約数の個数: 48

約数和(自身を含む): 32558400

約数和(自身を除く): 12357087

約数列:

[1, 3, 11, 19, 29, 33, 57, 87, 101, 121, 209, 303, 319, 363, 551, 627, 957, 1111, 1653, 1919, 2299, 2929, 3333, 3509, 5757, 6061, 6897, 8787, 10527, 12221, 18183, 21109, 32219, 36663, 55651, 63327, 66671, 96657, 166953, 200013, 232199, 354409, 612161, 696597, 1063227, 1836483, 6733771, 20201313]

約数ペア:

[(1, 20201313), (3, 6733771), (11, 1836483), (19, 1063227), (29, 696597), (33, 612161), (57, 354409), (87, 232199), (101, 200013), (121, 166953), (209, 96657), (303, 66671), (319, 63327), (363, 55651), (551, 36663), (627, 32219), (957, 21109), (1111, 18183), (1653, 12221), (1919, 10527), (2299, 8787), (2929, 6897), (3333, 6061), (3509, 5757)]