20610780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{269}}^1\times {\mathrm{1277}}^1$

素因数の和:1558

約数の個数: 48

約数和(自身を含む): 57970080

約数和(自身を除く): 37359300

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 269, 538, 807, 1076, 1277, 1345, 1614, 2554, 2690, 3228, 3831, 4035, 5108, 5380, 6385, 7662, 8070, 12770, 15324, 16140, 19155, 25540, 38310, 76620, 343513, 687026, 1030539, 1374052, 1717565, 2061078, 3435130, 4122156, 5152695, 6870260, 10305390, 20610780]

約数ペア:

[(1, 20610780), (2, 10305390), (3, 6870260), (4, 5152695), (5, 4122156), (6, 3435130), (10, 2061078), (12, 1717565), (15, 1374052), (20, 1030539), (30, 687026), (60, 343513), (269, 76620), (538, 38310), (807, 25540), (1076, 19155), (1277, 16140), (1345, 15324), (1614, 12770), (2554, 8070), (2690, 7662), (3228, 6385), (3831, 5380), (4035, 5108)]