20157444

素因数分解:

$2^2\times 3^3\times {\mathrm{17}}^1\times {\mathrm{10979}}^1$

素因数の和:11009

約数の個数: 48

約数和(自身を含む): 55339200

約数和(自身を除く): 35181756

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 27, 34, 36, 51, 54, 68, 102, 108, 153, 204, 306, 459, 612, 918, 1836, 10979, 21958, 32937, 43916, 65874, 98811, 131748, 186643, 197622, 296433, 373286, 395244, 559929, 592866, 746572, 1119858, 1185732, 1679787, 2239716, 3359574, 5039361, 6719148, 10078722, 20157444]

約数ペア:

[(1, 20157444), (2, 10078722), (3, 6719148), (4, 5039361), (6, 3359574), (9, 2239716), (12, 1679787), (17, 1185732), (18, 1119858), (27, 746572), (34, 592866), (36, 559929), (51, 395244), (54, 373286), (68, 296433), (102, 197622), (108, 186643), (153, 131748), (204, 98811), (306, 65874), (459, 43916), (612, 32937), (918, 21958), (1836, 10979)]