20639088

素因数分解:

$2^4\times 3^2\times {\mathrm{17}}^1\times {\mathrm{8431}}^1$

素因数の和:8462

約数の個数: 60

約数和(自身を含む): 61165728

約数和(自身を除く): 40526640

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 34, 36, 48, 51, 68, 72, 102, 136, 144, 153, 204, 272, 306, 408, 612, 816, 1224, 2448, 8431, 16862, 25293, 33724, 50586, 67448, 75879, 101172, 134896, 143327, 151758, 202344, 286654, 303516, 404688, 429981, 573308, 607032, 859962, 1146616, 1214064, 1289943, 1719924, 2293232, 2579886, 3439848, 5159772, 6879696, 10319544, 20639088]

約数ペア:

[(1, 20639088), (2, 10319544), (3, 6879696), (4, 5159772), (6, 3439848), (8, 2579886), (9, 2293232), (12, 1719924), (16, 1289943), (17, 1214064), (18, 1146616), (24, 859962), (34, 607032), (36, 573308), (48, 429981), (51, 404688), (68, 303516), (72, 286654), (102, 202344), (136, 151758), (144, 143327), (153, 134896), (204, 101172), (272, 75879), (306, 67448), (408, 50586), (612, 33724), (816, 25293), (1224, 16862), (2448, 8431)]