20182085

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:162

約数の個数: 64

約数和(自身を含む): 33177600

約数和(自身を除く): 12995515

約数列:

[1, 5, 7, 11, 19, 31, 35, 55, 77, 89, 95, 133, 155, 209, 217, 341, 385, 445, 589, 623, 665, 979, 1045, 1085, 1463, 1691, 1705, 2387, 2759, 2945, 3115, 4123, 4895, 6479, 6853, 7315, 8455, 11837, 11935, 13795, 18601, 19313, 20615, 30349, 32395, 34265, 45353, 52421, 59185, 93005, 96565, 130207, 151745, 212443, 226765, 262105, 366947, 576631, 651035, 1062215, 1834735, 2883155, 4036417, 20182085]

約数ペア:

[(1, 20182085), (5, 4036417), (7, 2883155), (11, 1834735), (19, 1062215), (31, 651035), (35, 576631), (55, 366947), (77, 262105), (89, 226765), (95, 212443), (133, 151745), (155, 130207), (209, 96565), (217, 93005), (341, 59185), (385, 52421), (445, 45353), (589, 34265), (623, 32395), (665, 30349), (979, 20615), (1045, 19313), (1085, 18601), (1463, 13795), (1691, 11935), (1705, 11837), (2387, 8455), (2759, 7315), (2945, 6853), (3115, 6479), (4123, 4895)]