20818504

素因数分解:

$2^3\times 7^1\times {\mathrm{59}}^1\times {\mathrm{6301}}^1$

素因数の和:6373

約数の個数: 32

約数和(自身を含む): 45374400

約数和(自身を除く): 24555896

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 59, 118, 236, 413, 472, 826, 1652, 3304, 6301, 12602, 25204, 44107, 50408, 88214, 176428, 352856, 371759, 743518, 1487036, 2602313, 2974072, 5204626, 10409252, 20818504]

約数ペア:

[(1, 20818504), (2, 10409252), (4, 5204626), (7, 2974072), (8, 2602313), (14, 1487036), (28, 743518), (56, 371759), (59, 352856), (118, 176428), (236, 88214), (413, 50408), (472, 44107), (826, 25204), (1652, 12602), (3304, 6301)]