20292855

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{6473}}^1$

素因数の和:6511

約数の個数: 32

約数和(自身を含む): 37290240

約数和(自身を除く): 16997385

約数列:

[1, 3, 5, 11, 15, 19, 33, 55, 57, 95, 165, 209, 285, 627, 1045, 3135, 6473, 19419, 32365, 71203, 97095, 122987, 213609, 356015, 368961, 614935, 1068045, 1352857, 1844805, 4058571, 6764285, 20292855]

約数ペア:

[(1, 20292855), (3, 6764285), (5, 4058571), (11, 1844805), (15, 1352857), (19, 1068045), (33, 614935), (55, 368961), (57, 356015), (95, 213609), (165, 122987), (209, 97095), (285, 71203), (627, 32365), (1045, 19419), (3135, 6473)]