20369376

素因数分解:

$2^5\times 3^2\times {\mathrm{107}}^1\times {\mathrm{661}}^1$

素因数の和:784

約数の個数: 72

約数和(自身を含む): 58555224

約数和(自身を除く): 38185848

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 107, 144, 214, 288, 321, 428, 642, 661, 856, 963, 1284, 1322, 1712, 1926, 1983, 2568, 2644, 3424, 3852, 3966, 5136, 5288, 5949, 7704, 7932, 10272, 10576, 11898, 15408, 15864, 21152, 23796, 30816, 31728, 47592, 63456, 70727, 95184, 141454, 190368, 212181, 282908, 424362, 565816, 636543, 848724, 1131632, 1273086, 1697448, 2263264, 2546172, 3394896, 5092344, 6789792, 10184688, 20369376]

約数ペア:

[(1, 20369376), (2, 10184688), (3, 6789792), (4, 5092344), (6, 3394896), (8, 2546172), (9, 2263264), (12, 1697448), (16, 1273086), (18, 1131632), (24, 848724), (32, 636543), (36, 565816), (48, 424362), (72, 282908), (96, 212181), (107, 190368), (144, 141454), (214, 95184), (288, 70727), (321, 63456), (428, 47592), (642, 31728), (661, 30816), (856, 23796), (963, 21152), (1284, 15864), (1322, 15408), (1712, 11898), (1926, 10576), (1983, 10272), (2568, 7932), (2644, 7704), (3424, 5949), (3852, 5288), (3966, 5136)]