20376540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{6659}}^1$

素因数の和:6691

約数の個数: 72

約数和(自身を含む): 65454480

約数和(自身を除く): 45077940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 255, 306, 340, 510, 612, 765, 1020, 1530, 3060, 6659, 13318, 19977, 26636, 33295, 39954, 59931, 66590, 79908, 99885, 113203, 119862, 133180, 199770, 226406, 239724, 299655, 339609, 399540, 452812, 566015, 599310, 679218, 1018827, 1132030, 1198620, 1358436, 1698045, 2037654, 2264060, 3396090, 4075308, 5094135, 6792180, 10188270, 20376540]

約数ペア:

[(1, 20376540), (2, 10188270), (3, 6792180), (4, 5094135), (5, 4075308), (6, 3396090), (9, 2264060), (10, 2037654), (12, 1698045), (15, 1358436), (17, 1198620), (18, 1132030), (20, 1018827), (30, 679218), (34, 599310), (36, 566015), (45, 452812), (51, 399540), (60, 339609), (68, 299655), (85, 239724), (90, 226406), (102, 199770), (153, 133180), (170, 119862), (180, 113203), (204, 99885), (255, 79908), (306, 66590), (340, 59931), (510, 39954), (612, 33295), (765, 26636), (1020, 19977), (1530, 13318), (3060, 6659)]