20341470

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{227}}^1$

素因数の和:369

約数の個数: 64

約数和(自身を含む): 51217920

約数和(自身を除く): 30876450

約数列:

[1, 2, 3, 5, 6, 10, 15, 29, 30, 58, 87, 103, 145, 174, 206, 227, 290, 309, 435, 454, 515, 618, 681, 870, 1030, 1135, 1362, 1545, 2270, 2987, 3090, 3405, 5974, 6583, 6810, 8961, 13166, 14935, 17922, 19749, 23381, 29870, 32915, 39498, 44805, 46762, 65830, 70143, 89610, 98745, 116905, 140286, 197490, 233810, 350715, 678049, 701430, 1356098, 2034147, 3390245, 4068294, 6780490, 10170735, 20341470]

約数ペア:

[(1, 20341470), (2, 10170735), (3, 6780490), (5, 4068294), (6, 3390245), (10, 2034147), (15, 1356098), (29, 701430), (30, 678049), (58, 350715), (87, 233810), (103, 197490), (145, 140286), (174, 116905), (206, 98745), (227, 89610), (290, 70143), (309, 65830), (435, 46762), (454, 44805), (515, 39498), (618, 32915), (681, 29870), (870, 23381), (1030, 19749), (1135, 17922), (1362, 14935), (1545, 13166), (2270, 8961), (2987, 6810), (3090, 6583), (3405, 5974)]