20213172

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{26737}}^1$

素因数の和:26757

約数の個数: 48

約数和(自身を含む): 59893120

約数和(自身を除く): 39679948

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756, 26737, 53474, 80211, 106948, 160422, 187159, 240633, 320844, 374318, 481266, 561477, 721899, 748636, 962532, 1122954, 1443798, 1684431, 2245908, 2887596, 3368862, 5053293, 6737724, 10106586, 20213172]

約数ペア:

[(1, 20213172), (2, 10106586), (3, 6737724), (4, 5053293), (6, 3368862), (7, 2887596), (9, 2245908), (12, 1684431), (14, 1443798), (18, 1122954), (21, 962532), (27, 748636), (28, 721899), (36, 561477), (42, 481266), (54, 374318), (63, 320844), (84, 240633), (108, 187159), (126, 160422), (189, 106948), (252, 80211), (378, 53474), (756, 26737)]