20702176

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{571}}^1$

素因数の和:695

約数の個数: 48

約数和(自身を含む): 44972928

約数和(自身を除く): 24270752

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 103, 176, 206, 352, 412, 571, 824, 1133, 1142, 1648, 2266, 2284, 3296, 4532, 4568, 6281, 9064, 9136, 12562, 18128, 18272, 25124, 36256, 50248, 58813, 100496, 117626, 200992, 235252, 470504, 646943, 941008, 1293886, 1882016, 2587772, 5175544, 10351088, 20702176]

約数ペア:

[(1, 20702176), (2, 10351088), (4, 5175544), (8, 2587772), (11, 1882016), (16, 1293886), (22, 941008), (32, 646943), (44, 470504), (88, 235252), (103, 200992), (176, 117626), (206, 100496), (352, 58813), (412, 50248), (571, 36256), (824, 25124), (1133, 18272), (1142, 18128), (1648, 12562), (2266, 9136), (2284, 9064), (3296, 6281), (4532, 4568)]