20003284

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{349}}^1$

素因数の和:472

約数の個数: 48

約数和(自身を含む): 42336000

約数和(自身を除く): 22332716

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 89, 92, 161, 178, 322, 349, 356, 623, 644, 698, 1246, 1396, 2047, 2443, 2492, 4094, 4886, 8027, 8188, 9772, 14329, 16054, 28658, 31061, 32108, 56189, 57316, 62122, 112378, 124244, 217427, 224756, 434854, 714403, 869708, 1428806, 2857612, 5000821, 10001642, 20003284]

約数ペア:

[(1, 20003284), (2, 10001642), (4, 5000821), (7, 2857612), (14, 1428806), (23, 869708), (28, 714403), (46, 434854), (89, 224756), (92, 217427), (161, 124244), (178, 112378), (322, 62122), (349, 57316), (356, 56189), (623, 32108), (644, 31061), (698, 28658), (1246, 16054), (1396, 14329), (2047, 9772), (2443, 8188), (2492, 8027), (4094, 4886)]