20413617

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{211}}^1\times {\mathrm{271}}^1$

素因数の和:509

約数の個数: 32

約数和(自身を含む): 33214464

約数和(自身を除く): 12800847

約数列:

[1, 3, 7, 17, 21, 51, 119, 211, 271, 357, 633, 813, 1477, 1897, 3587, 4431, 4607, 5691, 10761, 13821, 25109, 32249, 57181, 75327, 96747, 171543, 400267, 972077, 1200801, 2916231, 6804539, 20413617]

約数ペア:

[(1, 20413617), (3, 6804539), (7, 2916231), (17, 1200801), (21, 972077), (51, 400267), (119, 171543), (211, 96747), (271, 75327), (357, 57181), (633, 32249), (813, 25109), (1477, 13821), (1897, 10761), (3587, 5691), (4431, 4607)]