20937896

素因数分解:

$2^3\times 7^2\times {\mathrm{31}}^1\times {\mathrm{1723}}^1$

素因数の和:1774

約数の個数: 48

約数和(自身を含む): 47168640

約数和(自身を除く): 26230744

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 49, 56, 62, 98, 124, 196, 217, 248, 392, 434, 868, 1519, 1723, 1736, 3038, 3446, 6076, 6892, 12061, 12152, 13784, 24122, 48244, 53413, 84427, 96488, 106826, 168854, 213652, 337708, 373891, 427304, 675416, 747782, 1495564, 2617237, 2991128, 5234474, 10468948, 20937896]

約数ペア:

[(1, 20937896), (2, 10468948), (4, 5234474), (7, 2991128), (8, 2617237), (14, 1495564), (28, 747782), (31, 675416), (49, 427304), (56, 373891), (62, 337708), (98, 213652), (124, 168854), (196, 106826), (217, 96488), (248, 84427), (392, 53413), (434, 48244), (868, 24122), (1519, 13784), (1723, 12152), (1736, 12061), (3038, 6892), (3446, 6076)]