20626419

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{491}}^1$

素因数の和:591

約数の個数: 32

約数和(自身を含む): 32117760

約数和(自身を除く): 11491341

約数列:

[1, 3, 11, 19, 33, 57, 67, 201, 209, 491, 627, 737, 1273, 1473, 2211, 3819, 5401, 9329, 14003, 16203, 27987, 32897, 42009, 98691, 102619, 307857, 361867, 625043, 1085601, 1875129, 6875473, 20626419]

約数ペア:

[(1, 20626419), (3, 6875473), (11, 1875129), (19, 1085601), (33, 625043), (57, 361867), (67, 307857), (201, 102619), (209, 98691), (491, 42009), (627, 32897), (737, 27987), (1273, 16203), (1473, 14003), (2211, 9329), (3819, 5401)]