20197305905

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{302287}}^1$

素因数の和:302405

約数の個数: 32

約数和(自身を含む): 29251805184

約数和(自身を除く): 9054499279

約数列:

[1, 5, 7, 23, 35, 83, 115, 161, 415, 581, 805, 1909, 2905, 9545, 13363, 66815, 302287, 1511435, 2116009, 6952601, 10580045, 25089821, 34763005, 48668207, 125449105, 175628747, 243341035, 577065883, 878143735, 2885329415, 4039461181, 20197305905]

約数ペア:

[(1, 20197305905), (5, 4039461181), (7, 2885329415), (23, 878143735), (35, 577065883), (83, 243341035), (115, 175628747), (161, 125449105), (415, 48668207), (581, 34763005), (805, 25089821), (1909, 10580045), (2905, 6952601), (9545, 2116009), (13363, 1511435), (66815, 302287)]