20560770

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{271}}^1\times {\mathrm{281}}^1$

素因数の和:568

約数の個数: 64

約数和(自身を含む): 55226880

約数和(自身を除く): 34666110

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 271, 281, 542, 562, 813, 843, 1355, 1405, 1626, 1686, 2439, 2529, 2710, 2810, 4065, 4215, 4878, 5058, 7317, 7587, 8130, 8430, 12195, 12645, 14634, 15174, 24390, 25290, 36585, 37935, 73170, 75870, 76151, 152302, 228453, 380755, 456906, 685359, 761510, 1142265, 1370718, 2056077, 2284530, 3426795, 4112154, 6853590, 10280385, 20560770]

約数ペア:

[(1, 20560770), (2, 10280385), (3, 6853590), (5, 4112154), (6, 3426795), (9, 2284530), (10, 2056077), (15, 1370718), (18, 1142265), (27, 761510), (30, 685359), (45, 456906), (54, 380755), (90, 228453), (135, 152302), (270, 76151), (271, 75870), (281, 73170), (542, 37935), (562, 36585), (813, 25290), (843, 24390), (1355, 15174), (1405, 14634), (1626, 12645), (1686, 12195), (2439, 8430), (2529, 8130), (2710, 7587), (2810, 7317), (4065, 5058), (4215, 4878)]