20102285

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:130

約数の個数: 48

約数和(自身を含む): 30577536

約数和(自身を除く): 10475251

約数列:

[1, 5, 7, 19, 35, 37, 43, 95, 133, 185, 215, 259, 301, 361, 665, 703, 817, 1295, 1505, 1591, 1805, 2527, 3515, 4085, 4921, 5719, 7955, 11137, 12635, 13357, 15523, 24605, 28595, 30229, 55685, 66785, 77615, 93499, 108661, 151145, 211603, 467495, 543305, 574351, 1058015, 2871755, 4020457, 20102285]

約数ペア:

[(1, 20102285), (5, 4020457), (7, 2871755), (19, 1058015), (35, 574351), (37, 543305), (43, 467495), (95, 211603), (133, 151145), (185, 108661), (215, 93499), (259, 77615), (301, 66785), (361, 55685), (665, 30229), (703, 28595), (817, 24605), (1295, 15523), (1505, 13357), (1591, 12635), (1805, 11137), (2527, 7955), (3515, 5719), (4085, 4921)]