20232552025

素因数分解:

$5^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{443}}^1\times {\mathrm{1621}}^1$

素因数の和:2111

約数の個数: 72

約数和(自身を含む): 30540884544

約数和(自身を除く): 10308332519

約数列:

[1, 5, 7, 23, 25, 35, 49, 115, 161, 175, 245, 443, 575, 805, 1127, 1225, 1621, 2215, 3101, 4025, 5635, 8105, 10189, 11075, 11347, 15505, 21707, 28175, 37283, 40525, 50945, 56735, 71323, 77525, 79429, 108535, 186415, 254725, 260981, 283675, 356615, 397145, 499261, 542675, 718103, 932075, 1304905, 1783075, 1826867, 1985725, 2496305, 3590515, 5026721, 6524525, 9134335, 12481525, 16516369, 17952575, 25133605, 35187047, 45671675, 82581845, 115614583, 125668025, 175935235, 412909225, 578072915, 809302081, 879676175, 2890364575, 4046510405, 20232552025]

約数ペア:

[(1, 20232552025), (5, 4046510405), (7, 2890364575), (23, 879676175), (25, 809302081), (35, 578072915), (49, 412909225), (115, 175935235), (161, 125668025), (175, 115614583), (245, 82581845), (443, 45671675), (575, 35187047), (805, 25133605), (1127, 17952575), (1225, 16516369), (1621, 12481525), (2215, 9134335), (3101, 6524525), (4025, 5026721), (5635, 3590515), (8105, 2496305), (10189, 1985725), (11075, 1826867), (11347, 1783075), (15505, 1304905), (21707, 932075), (28175, 718103), (37283, 542675), (40525, 499261), (50945, 397145), (56735, 356615), (71323, 283675), (77525, 260981), (79429, 254725), (108535, 186415)]