20565152436745

素因数分解:

$5^1\times 7^2\times {\mathrm{139}}^1\times {\mathrm{151}}^1\times {\mathrm{3999209}}^1$

素因数の和:3999518

約数の個数: 48

約数和(自身を含む): 29105290569600

約数和(自身を除く): 8540138132855

約数列:

[1, 5, 7, 35, 49, 139, 151, 245, 695, 755, 973, 1057, 4865, 5285, 6811, 7399, 20989, 34055, 36995, 104945, 146923, 734615, 1028461, 3999209, 5142305, 19996045, 27994463, 139972315, 195961241, 555890051, 603880559, 979806205, 2779450255, 3019402795, 3891230357, 4227163913, 19456151785, 21135819565, 27238612499, 29590147391, 83939397701, 136193062495, 147950736955, 419696988505, 587575783907, 2937878919535, 4113030487349, 20565152436745]

約数ペア:

[(1, 20565152436745), (5, 4113030487349), (7, 2937878919535), (35, 587575783907), (49, 419696988505), (139, 147950736955), (151, 136193062495), (245, 83939397701), (695, 29590147391), (755, 27238612499), (973, 21135819565), (1057, 19456151785), (4865, 4227163913), (5285, 3891230357), (6811, 3019402795), (7399, 2779450255), (20989, 979806205), (34055, 603880559), (36995, 555890051), (104945, 195961241), (146923, 139972315), (734615, 27994463), (1028461, 19996045), (3999209, 5142305)]