20045089870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{8115421}}^1$

素因数の和:8115460

約数の個数: 32

約数和(自身を含む): 40901726880

約数和(自身を除く): 20856637010

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 494, 1235, 2470, 8115421, 16230842, 40577105, 81154210, 105500473, 154192999, 211000946, 308385998, 527502365, 770964995, 1055004730, 1541929990, 2004508987, 4009017974, 10022544935, 20045089870]

約数ペア:

[(1, 20045089870), (2, 10022544935), (5, 4009017974), (10, 2004508987), (13, 1541929990), (19, 1055004730), (26, 770964995), (38, 527502365), (65, 308385998), (95, 211000946), (130, 154192999), (190, 105500473), (247, 81154210), (494, 40577105), (1235, 16230842), (2470, 8115421)]