20803304795

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{647}}^1\times {\mathrm{70667}}^1$

素因数の和:71339

約数の個数: 32

約数和(自身を含む): 30772804608

約数和(自身を除く): 9969499813

約数列:

[1, 5, 7, 13, 35, 65, 91, 455, 647, 3235, 4529, 8411, 22645, 42055, 58877, 70667, 294385, 353335, 494669, 918671, 2473345, 4593355, 6430697, 32153485, 45721549, 228607745, 320050843, 594380137, 1600254215, 2971900685, 4160660959, 20803304795]

約数ペア:

[(1, 20803304795), (5, 4160660959), (7, 2971900685), (13, 1600254215), (35, 594380137), (65, 320050843), (91, 228607745), (455, 45721549), (647, 32153485), (3235, 6430697), (4529, 4593355), (8411, 2473345), (22645, 918671), (42055, 494669), (58877, 353335), (70667, 294385)]