20717491377

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{29741}}^1$

素因数の和:29886

約数の個数: 48

約数和(自身を含む): 32278397760

約数和(自身を除く): 11560906383

約数列:

[1, 3, 11, 19, 33, 57, 101, 121, 209, 303, 363, 627, 1111, 1919, 2299, 3333, 5757, 6897, 12221, 21109, 29741, 36663, 63327, 89223, 232199, 327151, 565079, 696597, 981453, 1695237, 3003841, 3598661, 6215869, 9011523, 10795983, 18647607, 33042251, 57072979, 68374559, 99126753, 171218937, 205123677, 363464761, 627802769, 1090394283, 1883408307, 6905830459, 20717491377]

約数ペア:

[(1, 20717491377), (3, 6905830459), (11, 1883408307), (19, 1090394283), (33, 627802769), (57, 363464761), (101, 205123677), (121, 171218937), (209, 99126753), (303, 68374559), (363, 57072979), (627, 33042251), (1111, 18647607), (1919, 10795983), (2299, 9011523), (3333, 6215869), (5757, 3598661), (6897, 3003841), (12221, 1695237), (21109, 981453), (29741, 696597), (36663, 565079), (63327, 327151), (89223, 232199)]