20186914825

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{919}}^1\times {\mathrm{11411}}^1$

素因数の和:12358

約数の個数: 48

約数和(自身を含む): 31245143040

約数和(自身を除く): 11058228215

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 175, 275, 385, 919, 1925, 4595, 6433, 10109, 11411, 22975, 32165, 50545, 57055, 70763, 79877, 125521, 160825, 252725, 285275, 353815, 399385, 627605, 878647, 1769075, 1996925, 3138025, 4393235, 10486709, 21966175, 52433545, 73406963, 115353799, 262167725, 367034815, 576768995, 807476593, 1835174075, 2883844975, 4037382965, 20186914825]

約数ペア:

[(1, 20186914825), (5, 4037382965), (7, 2883844975), (11, 1835174075), (25, 807476593), (35, 576768995), (55, 367034815), (77, 262167725), (175, 115353799), (275, 73406963), (385, 52433545), (919, 21966175), (1925, 10486709), (4595, 4393235), (6433, 3138025), (10109, 1996925), (11411, 1769075), (22975, 878647), (32165, 627605), (50545, 399385), (57055, 353815), (70763, 285275), (79877, 252725), (125521, 160825)]