20578098

素因数分解:

$2^1\times 3^1\times {\mathrm{53}}^1\times {\mathrm{163}}^1\times {\mathrm{397}}^1$

素因数の和:618

約数の個数: 32

約数和(自身を含む): 42296256

約数和(自身を除く): 21718158

約数列:

[1, 2, 3, 6, 53, 106, 159, 163, 318, 326, 397, 489, 794, 978, 1191, 2382, 8639, 17278, 21041, 25917, 42082, 51834, 63123, 64711, 126246, 129422, 194133, 388266, 3429683, 6859366, 10289049, 20578098]

約数ペア:

[(1, 20578098), (2, 10289049), (3, 6859366), (6, 3429683), (53, 388266), (106, 194133), (159, 129422), (163, 126246), (318, 64711), (326, 63123), (397, 51834), (489, 42082), (794, 25917), (978, 21041), (1191, 17278), (2382, 8639)]