20178228

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{269}}^1$

素因数の和:349

約数の個数: 96

約数和(自身を含む): 58060800

約数和(自身を除く): 37882572

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 38, 42, 47, 57, 76, 84, 94, 114, 133, 141, 188, 228, 266, 269, 282, 329, 399, 532, 538, 564, 658, 798, 807, 893, 987, 1076, 1316, 1596, 1614, 1786, 1883, 1974, 2679, 3228, 3572, 3766, 3948, 5111, 5358, 5649, 6251, 7532, 10222, 10716, 11298, 12502, 12643, 15333, 18753, 20444, 22596, 25004, 25286, 30666, 35777, 37506, 37929, 50572, 61332, 71554, 75012, 75858, 88501, 107331, 143108, 151716, 177002, 214662, 240217, 265503, 354004, 429324, 480434, 531006, 720651, 960868, 1062012, 1441302, 1681519, 2882604, 3363038, 5044557, 6726076, 10089114, 20178228]

約数ペア:

[(1, 20178228), (2, 10089114), (3, 6726076), (4, 5044557), (6, 3363038), (7, 2882604), (12, 1681519), (14, 1441302), (19, 1062012), (21, 960868), (28, 720651), (38, 531006), (42, 480434), (47, 429324), (57, 354004), (76, 265503), (84, 240217), (94, 214662), (114, 177002), (133, 151716), (141, 143108), (188, 107331), (228, 88501), (266, 75858), (269, 75012), (282, 71554), (329, 61332), (399, 50572), (532, 37929), (538, 37506), (564, 35777), (658, 30666), (798, 25286), (807, 25004), (893, 22596), (987, 20444), (1076, 18753), (1316, 15333), (1596, 12643), (1614, 12502), (1786, 11298), (1883, 10716), (1974, 10222), (2679, 7532), (3228, 6251), (3572, 5649), (3766, 5358), (3948, 5111)]