20703872

素因数分解:

$2^7\times 7^2\times {\mathrm{3301}}^1$

素因数の和:3329

約数の個数: 48

約数和(自身を含む): 47994570

約数和(自身を除く): 27290698

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 392, 448, 784, 896, 1568, 3136, 3301, 6272, 6602, 13204, 23107, 26408, 46214, 52816, 92428, 105632, 161749, 184856, 211264, 323498, 369712, 422528, 646996, 739424, 1293992, 1478848, 2587984, 2957696, 5175968, 10351936, 20703872]

約数ペア:

[(1, 20703872), (2, 10351936), (4, 5175968), (7, 2957696), (8, 2587984), (14, 1478848), (16, 1293992), (28, 739424), (32, 646996), (49, 422528), (56, 369712), (64, 323498), (98, 211264), (112, 184856), (128, 161749), (196, 105632), (224, 92428), (392, 52816), (448, 46214), (784, 26408), (896, 23107), (1568, 13204), (3136, 6602), (3301, 6272)]