20081844

素因数分解:

$2^2\times 3^4\times {\mathrm{61981}}^1$

素因数の和:61997

約数の個数: 30

約数和(自身を含む): 52498754

約数和(自身を除く): 32416910

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 61981, 123962, 185943, 247924, 371886, 557829, 743772, 1115658, 1673487, 2231316, 3346974, 5020461, 6693948, 10040922, 20081844]

約数ペア:

[(1, 20081844), (2, 10040922), (3, 6693948), (4, 5020461), (6, 3346974), (9, 2231316), (12, 1673487), (18, 1115658), (27, 743772), (36, 557829), (54, 371886), (81, 247924), (108, 185943), (162, 123962), (324, 61981)]