20043248

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{101}}^1\times {\mathrm{157}}^1$

素因数の和:345

約数の個数: 40

約数和(自身を含む): 39967680

約数和(自身を除く): 19924432

約数列:

[1, 2, 4, 8, 16, 79, 101, 157, 158, 202, 314, 316, 404, 628, 632, 808, 1256, 1264, 1616, 2512, 7979, 12403, 15857, 15958, 24806, 31714, 31916, 49612, 63428, 63832, 99224, 126856, 127664, 198448, 253712, 1252703, 2505406, 5010812, 10021624, 20043248]

約数ペア:

[(1, 20043248), (2, 10021624), (4, 5010812), (8, 2505406), (16, 1252703), (79, 253712), (101, 198448), (157, 127664), (158, 126856), (202, 99224), (314, 63832), (316, 63428), (404, 49612), (628, 31916), (632, 31714), (808, 24806), (1256, 15958), (1264, 15857), (1616, 12403), (2512, 7979)]