20357984

素因数分解:

$2^5\times {\mathrm{79}}^1\times {\mathrm{8053}}^1$

素因数の和:8142

約数の個数: 24

約数和(自身を含む): 40592160

約数和(自身を除く): 20234176

約数列:

[1, 2, 4, 8, 16, 32, 79, 158, 316, 632, 1264, 2528, 8053, 16106, 32212, 64424, 128848, 257696, 636187, 1272374, 2544748, 5089496, 10178992, 20357984]

約数ペア:

[(1, 20357984), (2, 10178992), (4, 5089496), (8, 2544748), (16, 1272374), (32, 636187), (79, 257696), (158, 128848), (316, 64424), (632, 32212), (1264, 16106), (2528, 8053)]