20780942

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{503}}^1$

素因数の和:752

約数の個数: 32

約数和(自身を含む): 38610432

約数和(自身を除く): 17829490

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 227, 454, 503, 1006, 1589, 2951, 3178, 3521, 5902, 6539, 7042, 13078, 20657, 41314, 45773, 91546, 114181, 228362, 799267, 1484353, 1598534, 2968706, 10390471, 20780942]

約数ペア:

[(1, 20780942), (2, 10390471), (7, 2968706), (13, 1598534), (14, 1484353), (26, 799267), (91, 228362), (182, 114181), (227, 91546), (454, 45773), (503, 41314), (1006, 20657), (1589, 13078), (2951, 7042), (3178, 6539), (3521, 5902)]