20129890179

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{367}}^1\times {\mathrm{153641}}^1$

素因数の和:154035

約数の個数: 32

約数和(自身を含む): 32567187456

約数和(自身を除く): 12437297277

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 367, 1101, 2569, 6239, 7707, 18717, 43673, 131019, 153641, 460923, 1075487, 2611897, 3226461, 7835691, 18283279, 54849837, 56386247, 169158741, 394703729, 958566199, 1184111187, 2875698597, 6709963393, 20129890179]

約数ペア:

[(1, 20129890179), (3, 6709963393), (7, 2875698597), (17, 1184111187), (21, 958566199), (51, 394703729), (119, 169158741), (357, 56386247), (367, 54849837), (1101, 18283279), (2569, 7835691), (6239, 3226461), (7707, 2611897), (18717, 1075487), (43673, 460923), (131019, 153641)]