20121806243

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{14891}}^1$

素因数の和:15048

約数の個数: 48

約数和(自身を含む): 26891377920

約数和(自身を除く): 6769571677

約数列:

[1, 7, 11, 23, 49, 77, 109, 161, 253, 539, 763, 1127, 1199, 1771, 2507, 5341, 8393, 12397, 14891, 17549, 27577, 58751, 104237, 122843, 163801, 193039, 342493, 729659, 1146607, 1351273, 1623119, 2397451, 3767423, 8026249, 11361833, 16782157, 17854309, 26371961, 37331737, 79532831, 124980163, 184603727, 261322159, 410649107, 874861141, 1829255113, 2874543749, 20121806243]

約数ペア:

[(1, 20121806243), (7, 2874543749), (11, 1829255113), (23, 874861141), (49, 410649107), (77, 261322159), (109, 184603727), (161, 124980163), (253, 79532831), (539, 37331737), (763, 26371961), (1127, 17854309), (1199, 16782157), (1771, 11361833), (2507, 8026249), (5341, 3767423), (8393, 2397451), (12397, 1623119), (14891, 1351273), (17549, 1146607), (27577, 729659), (58751, 342493), (104237, 193039), (122843, 163801)]