20192810876

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{239831}}^1$

素因数の和:239970

約数の個数: 48

約数和(自身を含む): 42118336512

約数和(自身を除く): 21925525636

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 97, 124, 194, 217, 388, 434, 679, 868, 1358, 2716, 3007, 6014, 12028, 21049, 42098, 84196, 239831, 479662, 959324, 1678817, 3357634, 6715268, 7434761, 14869522, 23263607, 29739044, 46527214, 52043327, 93054428, 104086654, 162845249, 208173308, 325690498, 651380996, 721171817, 1442343634, 2884687268, 5048202719, 10096405438, 20192810876]

約数ペア:

[(1, 20192810876), (2, 10096405438), (4, 5048202719), (7, 2884687268), (14, 1442343634), (28, 721171817), (31, 651380996), (62, 325690498), (97, 208173308), (124, 162845249), (194, 104086654), (217, 93054428), (388, 52043327), (434, 46527214), (679, 29739044), (868, 23263607), (1358, 14869522), (2716, 7434761), (3007, 6715268), (6014, 3357634), (12028, 1678817), (21049, 959324), (42098, 479662), (84196, 239831)]