20032920

素因数分解:

$2^3\times 3^7\times 5^1\times {\mathrm{229}}^1$

素因数の和:261

約数の個数: 128

約数和(自身を含む): 67896000

約数和(自身を除く): 47863080

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, 229, 243, 270, 324, 360, 405, 458, 486, 540, 648, 687, 729, 810, 916, 972, 1080, 1145, 1215, 1374, 1458, 1620, 1832, 1944, 2061, 2187, 2290, 2430, 2748, 2916, 3240, 3435, 3645, 4122, 4374, 4580, 4860, 5496, 5832, 6183, 6870, 7290, 8244, 8748, 9160, 9720, 10305, 10935, 12366, 13740, 14580, 16488, 17496, 18549, 20610, 21870, 24732, 27480, 29160, 30915, 37098, 41220, 43740, 49464, 55647, 61830, 74196, 82440, 87480, 92745, 111294, 123660, 148392, 166941, 185490, 222588, 247320, 278235, 333882, 370980, 445176, 500823, 556470, 667764, 741960, 834705, 1001646, 1112940, 1335528, 1669410, 2003292, 2225880, 2504115, 3338820, 4006584, 5008230, 6677640, 10016460, 20032920]

約数ペア:

[(1, 20032920), (2, 10016460), (3, 6677640), (4, 5008230), (5, 4006584), (6, 3338820), (8, 2504115), (9, 2225880), (10, 2003292), (12, 1669410), (15, 1335528), (18, 1112940), (20, 1001646), (24, 834705), (27, 741960), (30, 667764), (36, 556470), (40, 500823), (45, 445176), (54, 370980), (60, 333882), (72, 278235), (81, 247320), (90, 222588), (108, 185490), (120, 166941), (135, 148392), (162, 123660), (180, 111294), (216, 92745), (229, 87480), (243, 82440), (270, 74196), (324, 61830), (360, 55647), (405, 49464), (458, 43740), (486, 41220), (540, 37098), (648, 30915), (687, 29160), (729, 27480), (810, 24732), (916, 21870), (972, 20610), (1080, 18549), (1145, 17496), (1215, 16488), (1374, 14580), (1458, 13740), (1620, 12366), (1832, 10935), (1944, 10305), (2061, 9720), (2187, 9160), (2290, 8748), (2430, 8244), (2748, 7290), (2916, 6870), (3240, 6183), (3435, 5832), (3645, 5496), (4122, 4860), (4374, 4580)]