20214423736

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{197}}^1\times {\mathrm{9221}}^1$

素因数の和:9544

約数の個数: 64

約数和(自身を含む): 41412682080

約数和(自身を除く): 21198258344

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 107, 197, 214, 394, 428, 788, 856, 1391, 1576, 2561, 2782, 5122, 5564, 9221, 10244, 11128, 18442, 20488, 21079, 36884, 42158, 73768, 84316, 119873, 168632, 239746, 274027, 479492, 548054, 958984, 986647, 1096108, 1816537, 1973294, 2192216, 3633074, 3946588, 7266148, 7893176, 12826411, 14532296, 23614981, 25652822, 47229962, 51305644, 94459924, 102611288, 188919848, 194369459, 388738918, 777477836, 1554955672, 2526802967, 5053605934, 10107211868, 20214423736]

約数ペア:

[(1, 20214423736), (2, 10107211868), (4, 5053605934), (8, 2526802967), (13, 1554955672), (26, 777477836), (52, 388738918), (104, 194369459), (107, 188919848), (197, 102611288), (214, 94459924), (394, 51305644), (428, 47229962), (788, 25652822), (856, 23614981), (1391, 14532296), (1576, 12826411), (2561, 7893176), (2782, 7266148), (5122, 3946588), (5564, 3633074), (9221, 2192216), (10244, 1973294), (11128, 1816537), (18442, 1096108), (20488, 986647), (21079, 958984), (36884, 548054), (42158, 479492), (73768, 274027), (84316, 239746), (119873, 168632)]