20751135

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{4283}}^1$

素因数の和:4327

約数の個数: 32

約数和(自身を含む): 37013760

約数和(自身を除く): 16262625

約数列:

[1, 3, 5, 15, 17, 19, 51, 57, 85, 95, 255, 285, 323, 969, 1615, 4283, 4845, 12849, 21415, 64245, 72811, 81377, 218433, 244131, 364055, 406885, 1092165, 1220655, 1383409, 4150227, 6917045, 20751135]

約数ペア:

[(1, 20751135), (3, 6917045), (5, 4150227), (15, 1383409), (17, 1220655), (19, 1092165), (51, 406885), (57, 364055), (85, 244131), (95, 218433), (255, 81377), (285, 72811), (323, 64245), (969, 21415), (1615, 12849), (4283, 4845)]