20096648

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{1597}}^1$

素因数の和:1638

約数の個数: 48

約数和(自身を含む): 44632140

約数和(自身を除く): 24535492

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 121, 143, 242, 286, 484, 572, 968, 1144, 1573, 1597, 3146, 3194, 6292, 6388, 12584, 12776, 17567, 20761, 35134, 41522, 70268, 83044, 140536, 166088, 193237, 228371, 386474, 456742, 772948, 913484, 1545896, 1826968, 2512081, 5024162, 10048324, 20096648]

約数ペア:

[(1, 20096648), (2, 10048324), (4, 5024162), (8, 2512081), (11, 1826968), (13, 1545896), (22, 913484), (26, 772948), (44, 456742), (52, 386474), (88, 228371), (104, 193237), (121, 166088), (143, 140536), (242, 83044), (286, 70268), (484, 41522), (572, 35134), (968, 20761), (1144, 17567), (1573, 12776), (1597, 12584), (3146, 6388), (3194, 6292)]