20216975331

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{9613}}^1$

素因数の和:9820

約数の個数: 64

約数和(自身を含む): 33624695808

約数和(自身を除く): 13407720477

約数列:

[1, 3, 7, 17, 21, 43, 51, 119, 129, 137, 301, 357, 411, 731, 903, 959, 2193, 2329, 2877, 5117, 5891, 6987, 9613, 15351, 16303, 17673, 28839, 41237, 48909, 67291, 100147, 123711, 163421, 201873, 300441, 413359, 490263, 701029, 1143947, 1240077, 1316981, 2103087, 2893513, 3431841, 3950943, 7027103, 8680539, 9218867, 21081309, 22388677, 27656601, 49189721, 56630183, 67166031, 147569163, 156720739, 169890549, 396411281, 470162217, 962713111, 1189233843, 2888139333, 6738991777, 20216975331]

約数ペア:

[(1, 20216975331), (3, 6738991777), (7, 2888139333), (17, 1189233843), (21, 962713111), (43, 470162217), (51, 396411281), (119, 169890549), (129, 156720739), (137, 147569163), (301, 67166031), (357, 56630183), (411, 49189721), (731, 27656601), (903, 22388677), (959, 21081309), (2193, 9218867), (2329, 8680539), (2877, 7027103), (5117, 3950943), (5891, 3431841), (6987, 2893513), (9613, 2103087), (15351, 1316981), (16303, 1240077), (17673, 1143947), (28839, 701029), (41237, 490263), (48909, 413359), (67291, 300441), (100147, 201873), (123711, 163421)]