20671632

素因数分解:

$2^4\times 3^3\times {\mathrm{109}}^1\times {\mathrm{439}}^1$

素因数の和:565

約数の個数: 80

約数和(自身を含む): 60016000

約数和(自身を除く): 39344368

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 108, 109, 144, 216, 218, 327, 432, 436, 439, 654, 872, 878, 981, 1308, 1317, 1744, 1756, 1962, 2616, 2634, 2943, 3512, 3924, 3951, 5232, 5268, 5886, 7024, 7848, 7902, 10536, 11772, 11853, 15696, 15804, 21072, 23544, 23706, 31608, 47088, 47412, 47851, 63216, 94824, 95702, 143553, 189648, 191404, 287106, 382808, 430659, 574212, 765616, 861318, 1148424, 1291977, 1722636, 2296848, 2583954, 3445272, 5167908, 6890544, 10335816, 20671632]

約数ペア:

[(1, 20671632), (2, 10335816), (3, 6890544), (4, 5167908), (6, 3445272), (8, 2583954), (9, 2296848), (12, 1722636), (16, 1291977), (18, 1148424), (24, 861318), (27, 765616), (36, 574212), (48, 430659), (54, 382808), (72, 287106), (108, 191404), (109, 189648), (144, 143553), (216, 95702), (218, 94824), (327, 63216), (432, 47851), (436, 47412), (439, 47088), (654, 31608), (872, 23706), (878, 23544), (981, 21072), (1308, 15804), (1317, 15696), (1744, 11853), (1756, 11772), (1962, 10536), (2616, 7902), (2634, 7848), (2943, 7024), (3512, 5886), (3924, 5268), (3951, 5232)]