20398068

素因数分解:

$2^2\times 3^4\times {\mathrm{157}}^1\times {\mathrm{401}}^1$

素因数の和:574

約数の個数: 60

約数和(自身を含む): 53798052

約数和(自身を除く): 33399984

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 157, 162, 314, 324, 401, 471, 628, 802, 942, 1203, 1413, 1604, 1884, 2406, 2826, 3609, 4239, 4812, 5652, 7218, 8478, 10827, 12717, 14436, 16956, 21654, 25434, 32481, 43308, 50868, 62957, 64962, 125914, 129924, 188871, 251828, 377742, 566613, 755484, 1133226, 1699839, 2266452, 3399678, 5099517, 6799356, 10199034, 20398068]

約数ペア:

[(1, 20398068), (2, 10199034), (3, 6799356), (4, 5099517), (6, 3399678), (9, 2266452), (12, 1699839), (18, 1133226), (27, 755484), (36, 566613), (54, 377742), (81, 251828), (108, 188871), (157, 129924), (162, 125914), (314, 64962), (324, 62957), (401, 50868), (471, 43308), (628, 32481), (802, 25434), (942, 21654), (1203, 16956), (1413, 14436), (1604, 12717), (1884, 10827), (2406, 8478), (2826, 7218), (3609, 5652), (4239, 4812)]