20565238876

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{379}}^1\times {\mathrm{11467}}^1$

素因数の和:11883

約数の個数: 72

約数和(自身を含む): 44659144320

約数和(自身を除く): 24093905444

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 169, 182, 338, 364, 379, 676, 758, 1183, 1516, 2366, 2653, 4732, 4927, 5306, 9854, 10612, 11467, 19708, 22934, 34489, 45868, 64051, 68978, 80269, 128102, 137956, 149071, 160538, 256204, 298142, 321076, 448357, 596284, 896714, 1043497, 1793428, 1937923, 2086994, 3875846, 4173988, 4345993, 7751692, 8691986, 13565461, 17383972, 27130922, 30421951, 54261844, 56497909, 60843902, 112995818, 121687804, 225991636, 395485363, 734472817, 790970726, 1468945634, 1581941452, 2937891268, 5141309719, 10282619438, 20565238876]

約数ペア:

[(1, 20565238876), (2, 10282619438), (4, 5141309719), (7, 2937891268), (13, 1581941452), (14, 1468945634), (26, 790970726), (28, 734472817), (52, 395485363), (91, 225991636), (169, 121687804), (182, 112995818), (338, 60843902), (364, 56497909), (379, 54261844), (676, 30421951), (758, 27130922), (1183, 17383972), (1516, 13565461), (2366, 8691986), (2653, 7751692), (4732, 4345993), (4927, 4173988), (5306, 3875846), (9854, 2086994), (10612, 1937923), (11467, 1793428), (19708, 1043497), (22934, 896714), (34489, 596284), (45868, 448357), (64051, 321076), (68978, 298142), (80269, 256204), (128102, 160538), (137956, 149071)]