20033565

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{251}}^1\times {\mathrm{313}}^1$

素因数の和:589

約数の個数: 32

約数和(自身を含む): 34183296

約数和(自身を除く): 14149731

約数列:

[1, 3, 5, 15, 17, 51, 85, 251, 255, 313, 753, 939, 1255, 1565, 3765, 4267, 4695, 5321, 12801, 15963, 21335, 26605, 64005, 78563, 79815, 235689, 392815, 1178445, 1335571, 4006713, 6677855, 20033565]

約数ペア:

[(1, 20033565), (3, 6677855), (5, 4006713), (15, 1335571), (17, 1178445), (51, 392815), (85, 235689), (251, 79815), (255, 78563), (313, 64005), (753, 26605), (939, 21335), (1255, 15963), (1565, 12801), (3765, 5321), (4267, 4695)]