20373520

素因数分解:

$2^4\times 5^1\times {\mathrm{233}}^1\times {\mathrm{1093}}^1$

素因数の和:1339

約数の個数: 40

約数和(自身を含む): 47615256

約数和(自身を除く): 27241736

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 233, 466, 932, 1093, 1165, 1864, 2186, 2330, 3728, 4372, 4660, 5465, 8744, 9320, 10930, 17488, 18640, 21860, 43720, 87440, 254669, 509338, 1018676, 1273345, 2037352, 2546690, 4074704, 5093380, 10186760, 20373520]

約数ペア:

[(1, 20373520), (2, 10186760), (4, 5093380), (5, 4074704), (8, 2546690), (10, 2037352), (16, 1273345), (20, 1018676), (40, 509338), (80, 254669), (233, 87440), (466, 43720), (932, 21860), (1093, 18640), (1165, 17488), (1864, 10930), (2186, 9320), (2330, 8744), (3728, 5465), (4372, 4660)]