20129681268

素因数分解:

$2^2\times 3^2\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1\times {\mathrm{709}}^1$

素因数の和:1014

約数の個数: 144

約数和(自身を含む): 52721760000

約数和(自身を除く): 32592078732

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 67, 79, 134, 149, 158, 201, 237, 268, 298, 316, 402, 447, 474, 596, 603, 709, 711, 804, 894, 948, 1206, 1341, 1418, 1422, 1788, 2127, 2412, 2682, 2836, 2844, 4254, 5293, 5364, 6381, 8508, 9983, 10586, 11771, 12762, 15879, 19966, 21172, 23542, 25524, 29949, 31758, 35313, 39932, 47084, 47503, 47637, 56011, 59898, 63516, 70626, 89847, 95006, 95274, 105641, 105939, 112022, 119796, 141252, 142509, 168033, 179694, 190012, 190548, 211282, 211878, 224044, 285018, 316923, 336066, 359388, 422564, 423756, 427527, 504099, 570036, 633846, 672132, 788657, 855054, 950769, 1008198, 1267692, 1577314, 1710108, 1901538, 2016396, 2365971, 3154628, 3752737, 3803076, 4731942, 7077947, 7097913, 7505474, 8345639, 9463884, 11258211, 14155894, 14195826, 15010948, 16691278, 21233841, 22516422, 25036917, 28311788, 28391652, 33382556, 33774633, 42467682, 45032844, 50073834, 63701523, 67549266, 75110751, 84935364, 100147668, 127403046, 135098532, 150221502, 254806092, 300443004, 559157813, 1118315626, 1677473439, 2236631252, 3354946878, 5032420317, 6709893756, 10064840634, 20129681268]

約数ペア:

[(1, 20129681268), (2, 10064840634), (3, 6709893756), (4, 5032420317), (6, 3354946878), (9, 2236631252), (12, 1677473439), (18, 1118315626), (36, 559157813), (67, 300443004), (79, 254806092), (134, 150221502), (149, 135098532), (158, 127403046), (201, 100147668), (237, 84935364), (268, 75110751), (298, 67549266), (316, 63701523), (402, 50073834), (447, 45032844), (474, 42467682), (596, 33774633), (603, 33382556), (709, 28391652), (711, 28311788), (804, 25036917), (894, 22516422), (948, 21233841), (1206, 16691278), (1341, 15010948), (1418, 14195826), (1422, 14155894), (1788, 11258211), (2127, 9463884), (2412, 8345639), (2682, 7505474), (2836, 7097913), (2844, 7077947), (4254, 4731942), (5293, 3803076), (5364, 3752737), (6381, 3154628), (8508, 2365971), (9983, 2016396), (10586, 1901538), (11771, 1710108), (12762, 1577314), (15879, 1267692), (19966, 1008198), (21172, 950769), (23542, 855054), (25524, 788657), (29949, 672132), (31758, 633846), (35313, 570036), (39932, 504099), (47084, 427527), (47503, 423756), (47637, 422564), (56011, 359388), (59898, 336066), (63516, 316923), (70626, 285018), (89847, 224044), (95006, 211878), (95274, 211282), (105641, 190548), (105939, 190012), (112022, 179694), (119796, 168033), (141252, 142509)]