20778324

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{277}}^1$

素因数の和:357

約数の個数: 96

約数和(自身を含む): 59781120

約数和(自身を除く): 39002796

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 38, 42, 47, 57, 76, 84, 94, 114, 133, 141, 188, 228, 266, 277, 282, 329, 399, 532, 554, 564, 658, 798, 831, 893, 987, 1108, 1316, 1596, 1662, 1786, 1939, 1974, 2679, 3324, 3572, 3878, 3948, 5263, 5358, 5817, 6251, 7756, 10526, 10716, 11634, 12502, 13019, 15789, 18753, 21052, 23268, 25004, 26038, 31578, 36841, 37506, 39057, 52076, 63156, 73682, 75012, 78114, 91133, 110523, 147364, 156228, 182266, 221046, 247361, 273399, 364532, 442092, 494722, 546798, 742083, 989444, 1093596, 1484166, 1731527, 2968332, 3463054, 5194581, 6926108, 10389162, 20778324]

約数ペア:

[(1, 20778324), (2, 10389162), (3, 6926108), (4, 5194581), (6, 3463054), (7, 2968332), (12, 1731527), (14, 1484166), (19, 1093596), (21, 989444), (28, 742083), (38, 546798), (42, 494722), (47, 442092), (57, 364532), (76, 273399), (84, 247361), (94, 221046), (114, 182266), (133, 156228), (141, 147364), (188, 110523), (228, 91133), (266, 78114), (277, 75012), (282, 73682), (329, 63156), (399, 52076), (532, 39057), (554, 37506), (564, 36841), (658, 31578), (798, 26038), (831, 25004), (893, 23268), (987, 21052), (1108, 18753), (1316, 15789), (1596, 13019), (1662, 12502), (1786, 11634), (1939, 10716), (1974, 10526), (2679, 7756), (3324, 6251), (3572, 5817), (3878, 5358), (3948, 5263)]