20351451

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{73}}^2$

素因数の和:235

約数の個数: 24

約数和(自身を含む): 29392320

約数和(自身を除く): 9040869

約数列:

[1, 3, 19, 57, 67, 73, 201, 219, 1273, 1387, 3819, 4161, 4891, 5329, 14673, 15987, 92929, 101251, 278787, 303753, 357043, 1071129, 6783817, 20351451]

約数ペア:

[(1, 20351451), (3, 6783817), (19, 1071129), (57, 357043), (67, 303753), (73, 278787), (201, 101251), (219, 92929), (1273, 15987), (1387, 14673), (3819, 5329), (4161, 4891)]