20747628

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^3\times {\mathrm{433}}^1$

素因数の和:476

約数の個数: 72

約数和(自身を含む): 57819216

約数和(自身を除く): 37071588

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 121, 132, 198, 242, 363, 396, 433, 484, 726, 866, 1089, 1299, 1331, 1452, 1732, 2178, 2598, 2662, 3897, 3993, 4356, 4763, 5196, 5324, 7794, 7986, 9526, 11979, 14289, 15588, 15972, 19052, 23958, 28578, 42867, 47916, 52393, 57156, 85734, 104786, 157179, 171468, 209572, 314358, 471537, 576323, 628716, 943074, 1152646, 1728969, 1886148, 2305292, 3457938, 5186907, 6915876, 10373814, 20747628]

約数ペア:

[(1, 20747628), (2, 10373814), (3, 6915876), (4, 5186907), (6, 3457938), (9, 2305292), (11, 1886148), (12, 1728969), (18, 1152646), (22, 943074), (33, 628716), (36, 576323), (44, 471537), (66, 314358), (99, 209572), (121, 171468), (132, 157179), (198, 104786), (242, 85734), (363, 57156), (396, 52393), (433, 47916), (484, 42867), (726, 28578), (866, 23958), (1089, 19052), (1299, 15972), (1331, 15588), (1452, 14289), (1732, 11979), (2178, 9526), (2598, 7986), (2662, 7794), (3897, 5324), (3993, 5196), (4356, 4763)]