20470758

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{751}}^1$

素因数の和:833

約数の個数: 64

約数和(自身を含む): 51978240

約数和(自身を除く): 31507482

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 59, 66, 77, 118, 154, 177, 231, 354, 413, 462, 649, 751, 826, 1239, 1298, 1502, 1947, 2253, 2478, 3894, 4506, 4543, 5257, 8261, 9086, 10514, 13629, 15771, 16522, 24783, 27258, 31542, 44309, 49566, 57827, 88618, 115654, 132927, 173481, 265854, 310163, 346962, 487399, 620326, 930489, 974798, 1462197, 1860978, 2924394, 3411793, 6823586, 10235379, 20470758]

約数ペア:

[(1, 20470758), (2, 10235379), (3, 6823586), (6, 3411793), (7, 2924394), (11, 1860978), (14, 1462197), (21, 974798), (22, 930489), (33, 620326), (42, 487399), (59, 346962), (66, 310163), (77, 265854), (118, 173481), (154, 132927), (177, 115654), (231, 88618), (354, 57827), (413, 49566), (462, 44309), (649, 31542), (751, 27258), (826, 24783), (1239, 16522), (1298, 15771), (1502, 13629), (1947, 10514), (2253, 9086), (2478, 8261), (3894, 5257), (4506, 4543)]