20127537

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{1151}}^1$

素因数の和:1253

約数の個数: 24

約数和(自身を含む): 30551040

約数和(自身を除く): 10423503

約数列:

[1, 3, 9, 29, 67, 87, 201, 261, 603, 1151, 1943, 3453, 5829, 10359, 17487, 33379, 77117, 100137, 231351, 300411, 694053, 2236393, 6709179, 20127537]

約数ペア:

[(1, 20127537), (3, 6709179), (9, 2236393), (29, 694053), (67, 300411), (87, 231351), (201, 100137), (261, 77117), (603, 33379), (1151, 17487), (1943, 10359), (3453, 5829)]