20977077765

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{795943}}^1$

素因数の和:796209

約数の個数: 32

約数和(自身を含む): 38510954496

約数和(自身を除く): 17533876731

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 251, 753, 1255, 1757, 3765, 5271, 8785, 26355, 795943, 2387829, 3979715, 5571601, 11939145, 16714803, 27858005, 83574015, 199781693, 599345079, 998908465, 1398471851, 2996725395, 4195415553, 6992359255, 20977077765]

約数ペア:

[(1, 20977077765), (3, 6992359255), (5, 4195415553), (7, 2996725395), (15, 1398471851), (21, 998908465), (35, 599345079), (105, 199781693), (251, 83574015), (753, 27858005), (1255, 16714803), (1757, 11939145), (3765, 5571601), (5271, 3979715), (8785, 2387829), (26355, 795943)]