20133911

素因数分解:

$7^1\times {\mathrm{31}}^2\times {\mathrm{41}}^1\times {\mathrm{73}}^1$

素因数の和:183

約数の個数: 24

約数和(自身を含む): 24689952

約数和(自身を除く): 4556041

約数列:

[1, 7, 31, 41, 73, 217, 287, 511, 961, 1271, 2263, 2993, 6727, 8897, 15841, 20951, 39401, 70153, 92783, 275807, 491071, 649481, 2876273, 20133911]

約数ペア:

[(1, 20133911), (7, 2876273), (31, 649481), (41, 491071), (73, 275807), (217, 92783), (287, 70153), (511, 39401), (961, 20951), (1271, 15841), (2263, 8897), (2993, 6727)]