20873055

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{269}}^1\times {\mathrm{739}}^1$

素因数の和:1023

約数の個数: 32

約数和(自身を含む): 38361600

約数和(自身を除く): 17488545

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 269, 739, 807, 1345, 1883, 2217, 3695, 4035, 5173, 5649, 9415, 11085, 15519, 25865, 28245, 77595, 198791, 596373, 993955, 1391537, 2981865, 4174611, 6957685, 20873055]

約数ペア:

[(1, 20873055), (3, 6957685), (5, 4174611), (7, 2981865), (15, 1391537), (21, 993955), (35, 596373), (105, 198791), (269, 77595), (739, 28245), (807, 25865), (1345, 15519), (1883, 11085), (2217, 9415), (3695, 5649), (4035, 5173)]