20710580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{4093}}^1$

素因数の和:4136

約数の個数: 48

約数和(自身を含む): 49521024

約数和(自身を除く): 28810444

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 92, 110, 115, 220, 230, 253, 460, 506, 1012, 1265, 2530, 4093, 5060, 8186, 16372, 20465, 40930, 45023, 81860, 90046, 94139, 180092, 188278, 225115, 376556, 450230, 470695, 900460, 941390, 1035529, 1882780, 2071058, 4142116, 5177645, 10355290, 20710580]

約数ペア:

[(1, 20710580), (2, 10355290), (4, 5177645), (5, 4142116), (10, 2071058), (11, 1882780), (20, 1035529), (22, 941390), (23, 900460), (44, 470695), (46, 450230), (55, 376556), (92, 225115), (110, 188278), (115, 180092), (220, 94139), (230, 90046), (253, 81860), (460, 45023), (506, 40930), (1012, 20465), (1265, 16372), (2530, 8186), (4093, 5060)]