20780076

素因数分解:

$2^2\times 3^1\times {\mathrm{89}}^1\times {\mathrm{19457}}^1$

素因数の和:19553

約数の個数: 24

約数和(自身を含む): 49034160

約数和(自身を除く): 28254084

約数列:

[1, 2, 3, 4, 6, 12, 89, 178, 267, 356, 534, 1068, 19457, 38914, 58371, 77828, 116742, 233484, 1731673, 3463346, 5195019, 6926692, 10390038, 20780076]

約数ペア:

[(1, 20780076), (2, 10390038), (3, 6926692), (4, 5195019), (6, 3463346), (12, 1731673), (89, 233484), (178, 116742), (267, 77828), (356, 58371), (534, 38914), (1068, 19457)]