20195304891

素因数分解:

$3^1\times {\mathrm{149}}^1\times {\mathrm{151}}^1\times {\mathrm{433}}^1\times {\mathrm{691}}^1$

素因数の和:1427

約数の個数: 32

約数和(自身を含む): 27389913600

約数和(自身を除く): 7194608709

約数列:

[1, 3, 149, 151, 433, 447, 453, 691, 1299, 2073, 22499, 64517, 65383, 67497, 102959, 104341, 193551, 196149, 299203, 308877, 313023, 897609, 9742067, 15546809, 29226201, 44581247, 45179653, 46640427, 133743741, 135538959, 6731768297, 20195304891]

約数ペア:

[(1, 20195304891), (3, 6731768297), (149, 135538959), (151, 133743741), (433, 46640427), (447, 45179653), (453, 44581247), (691, 29226201), (1299, 15546809), (2073, 9742067), (22499, 897609), (64517, 313023), (65383, 308877), (67497, 299203), (102959, 196149), (104341, 193551)]