20457015

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{401}}^1$

素因数の和:607

約数の個数: 32

約数和(自身を含む): 34732800

約数和(自身を除く): 14275785

約数列:

[1, 3, 5, 15, 19, 57, 95, 179, 285, 401, 537, 895, 1203, 2005, 2685, 3401, 6015, 7619, 10203, 17005, 22857, 38095, 51015, 71779, 114285, 215337, 358895, 1076685, 1363801, 4091403, 6819005, 20457015]

約数ペア:

[(1, 20457015), (3, 6819005), (5, 4091403), (15, 1363801), (19, 1076685), (57, 358895), (95, 215337), (179, 114285), (285, 71779), (401, 51015), (537, 38095), (895, 22857), (1203, 17005), (2005, 10203), (2685, 7619), (3401, 6015)]