20503496

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{11597}}^1$

素因数の和:11633

約数の個数: 32

約数和(自身を含む): 43840440

約数和(自身を除く): 23336944

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 136, 221, 442, 884, 1768, 11597, 23194, 46388, 92776, 150761, 197149, 301522, 394298, 603044, 788596, 1206088, 1577192, 2562937, 5125874, 10251748, 20503496]

約数ペア:

[(1, 20503496), (2, 10251748), (4, 5125874), (8, 2562937), (13, 1577192), (17, 1206088), (26, 788596), (34, 603044), (52, 394298), (68, 301522), (104, 197149), (136, 150761), (221, 92776), (442, 46388), (884, 23194), (1768, 11597)]