20131089

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{331}}^1$

素因数の和:461

約数の個数: 32

約数和(自身を含む): 31234560

約数和(自身を除く): 11103471

約数列:

[1, 3, 11, 19, 33, 57, 97, 209, 291, 331, 627, 993, 1067, 1843, 3201, 3641, 5529, 6289, 10923, 18867, 20273, 32107, 60819, 69179, 96321, 207537, 353177, 610033, 1059531, 1830099, 6710363, 20131089]

約数ペア:

[(1, 20131089), (3, 6710363), (11, 1830099), (19, 1059531), (33, 610033), (57, 353177), (97, 207537), (209, 96321), (291, 69179), (331, 60819), (627, 32107), (993, 20273), (1067, 18867), (1843, 10923), (3201, 6289), (3641, 5529)]