20140520415

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{571}}^1\times {\mathrm{138323}}^1$

素因数の和:138919

約数の個数: 32

約数和(自身を含む): 34180413696

約数和(自身を除く): 14039893281

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 571, 1713, 2855, 8565, 9707, 29121, 48535, 138323, 145605, 414969, 691615, 2074845, 2351491, 7054473, 11757455, 35272365, 78982433, 236947299, 394912165, 1184736495, 1342701361, 4028104083, 6713506805, 20140520415]

約数ペア:

[(1, 20140520415), (3, 6713506805), (5, 4028104083), (15, 1342701361), (17, 1184736495), (51, 394912165), (85, 236947299), (255, 78982433), (571, 35272365), (1713, 11757455), (2855, 7054473), (8565, 2351491), (9707, 2074845), (29121, 691615), (48535, 414969), (138323, 145605)]