20199618

素因数分解:

$2^1\times 3^5\times {\mathrm{89}}^1\times {\mathrm{467}}^1$

素因数の和:573

約数の個数: 48

約数和(自身を含む): 45995040

約数和(自身を除く): 25795422

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 89, 162, 178, 243, 267, 467, 486, 534, 801, 934, 1401, 1602, 2403, 2802, 4203, 4806, 7209, 8406, 12609, 14418, 21627, 25218, 37827, 41563, 43254, 75654, 83126, 113481, 124689, 226962, 249378, 374067, 748134, 1122201, 2244402, 3366603, 6733206, 10099809, 20199618]

約数ペア:

[(1, 20199618), (2, 10099809), (3, 6733206), (6, 3366603), (9, 2244402), (18, 1122201), (27, 748134), (54, 374067), (81, 249378), (89, 226962), (162, 124689), (178, 113481), (243, 83126), (267, 75654), (467, 43254), (486, 41563), (534, 37827), (801, 25218), (934, 21627), (1401, 14418), (1602, 12609), (2403, 8406), (2802, 7209), (4203, 4806)]