20803589128

素因数分解:

$2^3\times 7^1\times {\mathrm{1871}}^1\times {\mathrm{198553}}^1$

素因数の和:200437

約数の個数: 32

約数和(自身を含む): 44603170560

約数和(自身を除く): 23799581432

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 1871, 3742, 7484, 13097, 14968, 26194, 52388, 104776, 198553, 397106, 794212, 1389871, 1588424, 2779742, 5559484, 11118968, 371492663, 742985326, 1485970652, 2600448641, 2971941304, 5200897282, 10401794564, 20803589128]

約数ペア:

[(1, 20803589128), (2, 10401794564), (4, 5200897282), (7, 2971941304), (8, 2600448641), (14, 1485970652), (28, 742985326), (56, 371492663), (1871, 11118968), (3742, 5559484), (7484, 2779742), (13097, 1588424), (14968, 1389871), (26194, 794212), (52388, 397106), (104776, 198553)]