20629413

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^2\times {\mathrm{619}}^1$

素因数の和:678

約数の個数: 36

約数和(自身を含む): 35657440

約数和(自身を除く): 15028027

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 207, 483, 529, 619, 1449, 1587, 1857, 3703, 4333, 4761, 5571, 11109, 12999, 14237, 33327, 38997, 42711, 99659, 128133, 298977, 327451, 896931, 982353, 2292157, 2947059, 6876471, 20629413]

約数ペア:

[(1, 20629413), (3, 6876471), (7, 2947059), (9, 2292157), (21, 982353), (23, 896931), (63, 327451), (69, 298977), (161, 128133), (207, 99659), (483, 42711), (529, 38997), (619, 33327), (1449, 14237), (1587, 12999), (1857, 11109), (3703, 5571), (4333, 4761)]