20467070

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{313}}^1\times {\mathrm{503}}^1$

素因数の和:836

約数の個数: 32

約数和(自身を含む): 39880512

約数和(自身を除く): 19413442

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 313, 503, 626, 1006, 1565, 2515, 3130, 4069, 5030, 6539, 8138, 13078, 20345, 32695, 40690, 65390, 157439, 314878, 787195, 1574390, 2046707, 4093414, 10233535, 20467070]

約数ペア:

[(1, 20467070), (2, 10233535), (5, 4093414), (10, 2046707), (13, 1574390), (26, 787195), (65, 314878), (130, 157439), (313, 65390), (503, 40690), (626, 32695), (1006, 20345), (1565, 13078), (2515, 8138), (3130, 6539), (4069, 5030)]