20087844

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{127}}^1\times {\mathrm{269}}^1$

素因数の和:417

約数の個数: 72

約数和(自身を含む): 55157760

約数和(自身を除く): 35069916

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 127, 147, 196, 254, 269, 294, 381, 508, 538, 588, 762, 807, 889, 1076, 1524, 1614, 1778, 1883, 2667, 3228, 3556, 3766, 5334, 5649, 6223, 7532, 10668, 11298, 12446, 13181, 18669, 22596, 24892, 26362, 34163, 37338, 39543, 52724, 68326, 74676, 79086, 102489, 136652, 158172, 204978, 239141, 409956, 478282, 717423, 956564, 1434846, 1673987, 2869692, 3347974, 5021961, 6695948, 10043922, 20087844]

約数ペア:

[(1, 20087844), (2, 10043922), (3, 6695948), (4, 5021961), (6, 3347974), (7, 2869692), (12, 1673987), (14, 1434846), (21, 956564), (28, 717423), (42, 478282), (49, 409956), (84, 239141), (98, 204978), (127, 158172), (147, 136652), (196, 102489), (254, 79086), (269, 74676), (294, 68326), (381, 52724), (508, 39543), (538, 37338), (588, 34163), (762, 26362), (807, 24892), (889, 22596), (1076, 18669), (1524, 13181), (1614, 12446), (1778, 11298), (1883, 10668), (2667, 7532), (3228, 6223), (3556, 5649), (3766, 5334)]