20852965

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{347}}^1$

素因数の和:477

約数の個数: 32

約数和(自身を含む): 30668544

約数和(自身を除く): 9815579

約数列:

[1, 5, 7, 17, 35, 85, 101, 119, 347, 505, 595, 707, 1717, 1735, 2429, 3535, 5899, 8585, 12019, 12145, 29495, 35047, 41293, 60095, 175235, 206465, 245329, 595799, 1226645, 2978995, 4170593, 20852965]

約数ペア:

[(1, 20852965), (5, 4170593), (7, 2978995), (17, 1226645), (35, 595799), (85, 245329), (101, 206465), (119, 175235), (347, 60095), (505, 41293), (595, 35047), (707, 29495), (1717, 12145), (1735, 12019), (2429, 8585), (3535, 5899)]