20197254805

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2063}}^1\times {\mathrm{21517}}^1$

素因数の和:23605

約数の個数: 32

約数和(自身を含む): 29845638144

約数和(自身を除く): 9648383339

約数列:

[1, 5, 7, 13, 35, 65, 91, 455, 2063, 10315, 14441, 21517, 26819, 72205, 107585, 134095, 150619, 187733, 279721, 753095, 938665, 1398605, 1958047, 9790235, 44389571, 221947855, 310726997, 577064423, 1553634985, 2885322115, 4039450961, 20197254805]

約数ペア:

[(1, 20197254805), (5, 4039450961), (7, 2885322115), (13, 1553634985), (35, 577064423), (65, 310726997), (91, 221947855), (455, 44389571), (2063, 9790235), (10315, 1958047), (14441, 1398605), (21517, 938665), (26819, 753095), (72205, 279721), (107585, 187733), (134095, 150619)]