20717510

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{1483}}^1$

素因数の和:1628

約数の個数: 32

約数和(自身を含む): 41029632

約数和(自身を除く): 20312122

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 127, 254, 635, 1270, 1397, 1483, 2794, 2966, 6985, 7415, 13970, 14830, 16313, 32626, 81565, 163130, 188341, 376682, 941705, 1883410, 2071751, 4143502, 10358755, 20717510]

約数ペア:

[(1, 20717510), (2, 10358755), (5, 4143502), (10, 2071751), (11, 1883410), (22, 941705), (55, 376682), (110, 188341), (127, 163130), (254, 81565), (635, 32626), (1270, 16313), (1397, 14830), (1483, 13970), (2794, 7415), (2966, 6985)]