20871504

素因数分解:

$2^4\times 3^2\times {\mathrm{144941}}^1$

素因数の和:144955

約数の個数: 30

約数和(自身を含む): 58411626

約数和(自身を除く): 37540122

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 144941, 289882, 434823, 579764, 869646, 1159528, 1304469, 1739292, 2319056, 2608938, 3478584, 5217876, 6957168, 10435752, 20871504]

約数ペア:

[(1, 20871504), (2, 10435752), (3, 6957168), (4, 5217876), (6, 3478584), (8, 2608938), (9, 2319056), (12, 1739292), (16, 1304469), (18, 1159528), (24, 869646), (36, 579764), (48, 434823), (72, 289882), (144, 144941)]