20538360

素因数分解:

$2^3\times 3^5\times 5^1\times {\mathrm{2113}}^1$

素因数の和:2139

約数の個数: 96

約数和(自身を含む): 69254640

約数和(自身を除く): 48716280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 243, 270, 324, 360, 405, 486, 540, 648, 810, 972, 1080, 1215, 1620, 1944, 2113, 2430, 3240, 4226, 4860, 6339, 8452, 9720, 10565, 12678, 16904, 19017, 21130, 25356, 31695, 38034, 42260, 50712, 57051, 63390, 76068, 84520, 95085, 114102, 126780, 152136, 171153, 190170, 228204, 253560, 285255, 342306, 380340, 456408, 513459, 570510, 684612, 760680, 855765, 1026918, 1141020, 1369224, 1711530, 2053836, 2282040, 2567295, 3423060, 4107672, 5134590, 6846120, 10269180, 20538360]

約数ペア:

[(1, 20538360), (2, 10269180), (3, 6846120), (4, 5134590), (5, 4107672), (6, 3423060), (8, 2567295), (9, 2282040), (10, 2053836), (12, 1711530), (15, 1369224), (18, 1141020), (20, 1026918), (24, 855765), (27, 760680), (30, 684612), (36, 570510), (40, 513459), (45, 456408), (54, 380340), (60, 342306), (72, 285255), (81, 253560), (90, 228204), (108, 190170), (120, 171153), (135, 152136), (162, 126780), (180, 114102), (216, 95085), (243, 84520), (270, 76068), (324, 63390), (360, 57051), (405, 50712), (486, 42260), (540, 38034), (648, 31695), (810, 25356), (972, 21130), (1080, 19017), (1215, 16904), (1620, 12678), (1944, 10565), (2113, 9720), (2430, 8452), (3240, 6339), (4226, 4860)]