20111864

素因数分解:

$2^3\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{601}}^1$

素因数の和:743

約数の個数: 32

約数和(自身を含む): 39009600

約数和(自身を除く): 18897736

約数列:

[1, 2, 4, 8, 47, 89, 94, 178, 188, 356, 376, 601, 712, 1202, 2404, 4183, 4808, 8366, 16732, 28247, 33464, 53489, 56494, 106978, 112988, 213956, 225976, 427912, 2513983, 5027966, 10055932, 20111864]

約数ペア:

[(1, 20111864), (2, 10055932), (4, 5027966), (8, 2513983), (47, 427912), (89, 225976), (94, 213956), (178, 112988), (188, 106978), (356, 56494), (376, 53489), (601, 33464), (712, 28247), (1202, 16732), (2404, 8366), (4183, 4808)]