20741860

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{673}}^1$

素因数の和:772

約数の個数: 48

約数和(自身を含む): 46198656

約数和(自身を除く): 25456796

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 67, 92, 115, 134, 230, 268, 335, 460, 670, 673, 1340, 1346, 1541, 2692, 3082, 3365, 6164, 6730, 7705, 13460, 15410, 15479, 30820, 30958, 45091, 61916, 77395, 90182, 154790, 180364, 225455, 309580, 450910, 901820, 1037093, 2074186, 4148372, 5185465, 10370930, 20741860]

約数ペア:

[(1, 20741860), (2, 10370930), (4, 5185465), (5, 4148372), (10, 2074186), (20, 1037093), (23, 901820), (46, 450910), (67, 309580), (92, 225455), (115, 180364), (134, 154790), (230, 90182), (268, 77395), (335, 61916), (460, 45091), (670, 30958), (673, 30820), (1340, 15479), (1346, 15410), (1541, 13460), (2692, 7705), (3082, 6730), (3365, 6164)]