20819044

素因数分解:

$2^2\times {\mathrm{67}}^1\times {\mathrm{131}}^1\times {\mathrm{593}}^1$

素因数の和:795

約数の個数: 24

約数和(自身を含む): 37322208

約数和(自身を除く): 16503164

約数列:

[1, 2, 4, 67, 131, 134, 262, 268, 524, 593, 1186, 2372, 8777, 17554, 35108, 39731, 77683, 79462, 155366, 158924, 310732, 5204761, 10409522, 20819044]

約数ペア:

[(1, 20819044), (2, 10409522), (4, 5204761), (67, 310732), (131, 158924), (134, 155366), (262, 79462), (268, 77683), (524, 39731), (593, 35108), (1186, 17554), (2372, 8777)]