20129835

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{6421}}^1$

素因数の和:6459

約数の個数: 32

約数和(自身を含む): 36990720

約数和(自身を除く): 16860885

約数列:

[1, 3, 5, 11, 15, 19, 33, 55, 57, 95, 165, 209, 285, 627, 1045, 3135, 6421, 19263, 32105, 70631, 96315, 121999, 211893, 353155, 365997, 609995, 1059465, 1341989, 1829985, 4025967, 6709945, 20129835]

約数ペア:

[(1, 20129835), (3, 6709945), (5, 4025967), (11, 1829985), (15, 1341989), (19, 1059465), (33, 609995), (55, 365997), (57, 353155), (95, 211893), (165, 121999), (209, 96315), (285, 70631), (627, 32105), (1045, 19263), (3135, 6421)]