20153728

素因数分解:

$2^7\times 7^1\times {\mathrm{83}}^1\times {\mathrm{271}}^1$

素因数の和:375

約数の個数: 64

約数和(自身を含む): 46609920

約数和(自身を除く): 26456192

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 83, 112, 128, 166, 224, 271, 332, 448, 542, 581, 664, 896, 1084, 1162, 1328, 1897, 2168, 2324, 2656, 3794, 4336, 4648, 5312, 7588, 8672, 9296, 10624, 15176, 17344, 18592, 22493, 30352, 34688, 37184, 44986, 60704, 74368, 89972, 121408, 157451, 179944, 242816, 314902, 359888, 629804, 719776, 1259608, 1439552, 2519216, 2879104, 5038432, 10076864, 20153728]

約数ペア:

[(1, 20153728), (2, 10076864), (4, 5038432), (7, 2879104), (8, 2519216), (14, 1439552), (16, 1259608), (28, 719776), (32, 629804), (56, 359888), (64, 314902), (83, 242816), (112, 179944), (128, 157451), (166, 121408), (224, 89972), (271, 74368), (332, 60704), (448, 44986), (542, 37184), (581, 34688), (664, 30352), (896, 22493), (1084, 18592), (1162, 17344), (1328, 15176), (1897, 10624), (2168, 9296), (2324, 8672), (2656, 7588), (3794, 5312), (4336, 4648)]