20341640284

素因数分解:

$2^2\times 7^2\times {\mathrm{89}}^1\times {\mathrm{1063}}^1\times {\mathrm{1097}}^1$

素因数の和:2267

約数の個数: 72

約数和(自身を含む): 41952647520

約数和(自身を除く): 21611007236

約数列:

[1, 2, 4, 7, 14, 28, 49, 89, 98, 178, 196, 356, 623, 1063, 1097, 1246, 2126, 2194, 2492, 4252, 4361, 4388, 7441, 7679, 8722, 14882, 15358, 17444, 29764, 30716, 52087, 53753, 94607, 97633, 104174, 107506, 189214, 195266, 208348, 215012, 378428, 390532, 662249, 683431, 1166111, 1324498, 1366862, 2332222, 2648996, 2733724, 4635743, 4664444, 4784017, 8162777, 9271486, 9568034, 16325554, 18542972, 19136068, 32651108, 57139439, 103783879, 114278878, 207567758, 228557756, 415135516, 726487153, 1452974306, 2905948612, 5085410071, 10170820142, 20341640284]

約数ペア:

[(1, 20341640284), (2, 10170820142), (4, 5085410071), (7, 2905948612), (14, 1452974306), (28, 726487153), (49, 415135516), (89, 228557756), (98, 207567758), (178, 114278878), (196, 103783879), (356, 57139439), (623, 32651108), (1063, 19136068), (1097, 18542972), (1246, 16325554), (2126, 9568034), (2194, 9271486), (2492, 8162777), (4252, 4784017), (4361, 4664444), (4388, 4635743), (7441, 2733724), (7679, 2648996), (8722, 2332222), (14882, 1366862), (15358, 1324498), (17444, 1166111), (29764, 683431), (30716, 662249), (52087, 390532), (53753, 378428), (94607, 215012), (97633, 208348), (104174, 195266), (107506, 189214)]