20389366932459

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{439}}^1\times {\mathrm{53943121}}^1$

素因数の和:53943611

約数の個数: 32

約数和(自身を含む): 31899804625920

約数和(自身を除く): 11510437693461

約数列:

[1, 3, 7, 21, 41, 123, 287, 439, 861, 1317, 3073, 9219, 17999, 53997, 125993, 377979, 53943121, 161829363, 377601847, 1132805541, 2211667961, 6635003883, 15481675727, 23681030119, 46445027181, 71043090357, 165767210833, 497301632499, 970922234879, 2912766704637, 6796455644153, 20389366932459]

約数ペア:

[(1, 20389366932459), (3, 6796455644153), (7, 2912766704637), (21, 970922234879), (41, 497301632499), (123, 165767210833), (287, 71043090357), (439, 46445027181), (861, 23681030119), (1317, 15481675727), (3073, 6635003883), (9219, 2211667961), (17999, 1132805541), (53997, 377601847), (125993, 161829363), (377979, 53943121)]