20871796681302

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{787}}^1\times {\mathrm{5901359}}^1$

素因数の和:5902265

約数の個数: 64

約数和(自身を含む): 48214016778240

約数和(自身を除く): 27342220096938

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 107, 214, 321, 642, 749, 787, 1498, 1574, 2247, 2361, 4494, 4722, 5509, 11018, 16527, 33054, 84209, 168418, 252627, 505254, 589463, 1178926, 1768389, 3536778, 5901359, 11802718, 17704077, 35408154, 41309513, 82619026, 123928539, 247857078, 631445413, 1262890826, 1894336239, 3788672478, 4420117891, 4644369533, 8840235782, 9288739066, 13260353673, 13933108599, 26520707346, 27866217198, 32510586731, 65021173462, 97531760193, 195063520386, 496947540031, 993895080062, 1490842620093, 2981685240186, 3478632780217, 6957265560434, 10435898340651, 20871796681302]

約数ペア:

[(1, 20871796681302), (2, 10435898340651), (3, 6957265560434), (6, 3478632780217), (7, 2981685240186), (14, 1490842620093), (21, 993895080062), (42, 496947540031), (107, 195063520386), (214, 97531760193), (321, 65021173462), (642, 32510586731), (749, 27866217198), (787, 26520707346), (1498, 13933108599), (1574, 13260353673), (2247, 9288739066), (2361, 8840235782), (4494, 4644369533), (4722, 4420117891), (5509, 3788672478), (11018, 1894336239), (16527, 1262890826), (33054, 631445413), (84209, 247857078), (168418, 123928539), (252627, 82619026), (505254, 41309513), (589463, 35408154), (1178926, 17704077), (1768389, 11802718), (3536778, 5901359)]