20963952

素因数分解:

$2^4\times 3^2\times {\mathrm{197}}^1\times {\mathrm{739}}^1$

素因数の和:950

約数の個数: 60

約数和(自身を含む): 59047560

約数和(自身を除く): 38083608

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 197, 394, 591, 739, 788, 1182, 1478, 1576, 1773, 2217, 2364, 2956, 3152, 3546, 4434, 4728, 5912, 6651, 7092, 8868, 9456, 11824, 13302, 14184, 17736, 26604, 28368, 35472, 53208, 106416, 145583, 291166, 436749, 582332, 873498, 1164664, 1310247, 1746996, 2329328, 2620494, 3493992, 5240988, 6987984, 10481976, 20963952]

約数ペア:

[(1, 20963952), (2, 10481976), (3, 6987984), (4, 5240988), (6, 3493992), (8, 2620494), (9, 2329328), (12, 1746996), (16, 1310247), (18, 1164664), (24, 873498), (36, 582332), (48, 436749), (72, 291166), (144, 145583), (197, 106416), (394, 53208), (591, 35472), (739, 28368), (788, 26604), (1182, 17736), (1478, 14184), (1576, 13302), (1773, 11824), (2217, 9456), (2364, 8868), (2956, 7092), (3152, 6651), (3546, 5912), (4434, 4728)]