20502904

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{1759}}^1$

素因数の和:1843

約数の個数: 32

約数和(自身を含む): 40550400

約数和(自身を除く): 20047496

約数列:

[1, 2, 4, 8, 31, 47, 62, 94, 124, 188, 248, 376, 1457, 1759, 2914, 3518, 5828, 7036, 11656, 14072, 54529, 82673, 109058, 165346, 218116, 330692, 436232, 661384, 2562863, 5125726, 10251452, 20502904]

約数ペア:

[(1, 20502904), (2, 10251452), (4, 5125726), (8, 2562863), (31, 661384), (47, 436232), (62, 330692), (94, 218116), (124, 165346), (188, 109058), (248, 82673), (376, 54529), (1457, 14072), (1759, 11656), (2914, 7036), (3518, 5828)]