20667472

素因数分解:

$2^4\times 7^1\times {\mathrm{127}}^1\times {\mathrm{1453}}^1$

素因数の和:1595

約数の個数: 40

約数和(自身を含む): 46155776

約数和(自身を除く): 25488304

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 127, 254, 508, 889, 1016, 1453, 1778, 2032, 2906, 3556, 5812, 7112, 10171, 11624, 14224, 20342, 23248, 40684, 81368, 162736, 184531, 369062, 738124, 1291717, 1476248, 2583434, 2952496, 5166868, 10333736, 20667472]

約数ペア:

[(1, 20667472), (2, 10333736), (4, 5166868), (7, 2952496), (8, 2583434), (14, 1476248), (16, 1291717), (28, 738124), (56, 369062), (112, 184531), (127, 162736), (254, 81368), (508, 40684), (889, 23248), (1016, 20342), (1453, 14224), (1778, 11624), (2032, 10171), (2906, 7112), (3556, 5812)]