24692020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{359}}^1$

素因数の和:568

約数の個数: 48

約数和(自身を含む): 55036800

約数和(自身を除く): 30344780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 181, 190, 359, 362, 380, 718, 724, 905, 1436, 1795, 1810, 3439, 3590, 3620, 6821, 6878, 7180, 13642, 13756, 17195, 27284, 34105, 34390, 64979, 68210, 68780, 129958, 136420, 259916, 324895, 649790, 1234601, 1299580, 2469202, 4938404, 6173005, 12346010, 24692020]

約数ペア:

[(1, 24692020), (2, 12346010), (4, 6173005), (5, 4938404), (10, 2469202), (19, 1299580), (20, 1234601), (38, 649790), (76, 324895), (95, 259916), (181, 136420), (190, 129958), (359, 68780), (362, 68210), (380, 64979), (718, 34390), (724, 34105), (905, 27284), (1436, 17195), (1795, 13756), (1810, 13642), (3439, 7180), (3590, 6878), (3620, 6821)]