20790406090

素因数分解:

$2^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{2099}}^1\times {\mathrm{7561}}^1$

素因数の和:9798

約数の個数: 32

約数和(自身を含む): 37731355200

約数和(自身を除く): 16940949110

約数列:

[1, 2, 5, 10, 131, 262, 655, 1310, 2099, 4198, 7561, 10495, 15122, 20990, 37805, 75610, 274969, 549938, 990491, 1374845, 1980982, 2749690, 4952455, 9904910, 15870539, 31741078, 79352695, 158705390, 2079040609, 4158081218, 10395203045, 20790406090]

約数ペア:

[(1, 20790406090), (2, 10395203045), (5, 4158081218), (10, 2079040609), (131, 158705390), (262, 79352695), (655, 31741078), (1310, 15870539), (2099, 9904910), (4198, 4952455), (7561, 2749690), (10495, 1980982), (15122, 1374845), (20990, 990491), (37805, 549938), (75610, 274969)]