20175661485

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{29}}^2\times {\mathrm{76159}}^1$

素因数の和:76235

約数の個数: 72

約数和(自身を含む): 41393264640

約数和(自身を除く): 21217603155

約数列:

[1, 3, 5, 7, 9, 15, 21, 29, 35, 45, 63, 87, 105, 145, 203, 261, 315, 435, 609, 841, 1015, 1305, 1827, 2523, 3045, 4205, 5887, 7569, 9135, 12615, 17661, 29435, 37845, 52983, 76159, 88305, 228477, 264915, 380795, 533113, 685431, 1142385, 1599339, 2208611, 2665565, 3427155, 4798017, 6625833, 7996695, 11043055, 15460277, 19877499, 23990085, 33129165, 46380831, 64049719, 77301385, 99387495, 139142493, 192149157, 231904155, 320248595, 448348033, 576447471, 695712465, 960745785, 1345044099, 2241740165, 2882237355, 4035132297, 6725220495, 20175661485]

約数ペア:

[(1, 20175661485), (3, 6725220495), (5, 4035132297), (7, 2882237355), (9, 2241740165), (15, 1345044099), (21, 960745785), (29, 695712465), (35, 576447471), (45, 448348033), (63, 320248595), (87, 231904155), (105, 192149157), (145, 139142493), (203, 99387495), (261, 77301385), (315, 64049719), (435, 46380831), (609, 33129165), (841, 23990085), (1015, 19877499), (1305, 15460277), (1827, 11043055), (2523, 7996695), (3045, 6625833), (4205, 4798017), (5887, 3427155), (7569, 2665565), (9135, 2208611), (12615, 1599339), (17661, 1142385), (29435, 685431), (37845, 533113), (52983, 380795), (76159, 264915), (88305, 228477)]