20207561880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2557}}^1\times {\mathrm{5987}}^1$

素因数の和:8569

約数の個数: 128

約数和(自身を含む): 66170753280

約数和(自身を除く): 45963191400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 440, 660, 1320, 2557, 5114, 5987, 7671, 10228, 11974, 12785, 15342, 17961, 20456, 23948, 25570, 28127, 29935, 30684, 35922, 38355, 47896, 51140, 56254, 59870, 61368, 65857, 71844, 76710, 84381, 89805, 102280, 112508, 119740, 131714, 140635, 143688, 153420, 168762, 179610, 197571, 225016, 239480, 263428, 281270, 306840, 329285, 337524, 359220, 395142, 421905, 526856, 562540, 658570, 675048, 718440, 790284, 843810, 987855, 1125080, 1317140, 1580568, 1687620, 1975710, 2634280, 3375240, 3951420, 7902840, 15308759, 30617518, 45926277, 61235036, 76543795, 91852554, 122470072, 153087590, 168396349, 183705108, 229631385, 306175180, 336792698, 367410216, 459262770, 505189047, 612350360, 673585396, 841981745, 918525540, 1010378094, 1347170792, 1683963490, 1837051080, 2020756188, 2525945235, 3367926980, 4041512376, 5051890470, 6735853960, 10103780940, 20207561880]

約数ペア:

[(1, 20207561880), (2, 10103780940), (3, 6735853960), (4, 5051890470), (5, 4041512376), (6, 3367926980), (8, 2525945235), (10, 2020756188), (11, 1837051080), (12, 1683963490), (15, 1347170792), (20, 1010378094), (22, 918525540), (24, 841981745), (30, 673585396), (33, 612350360), (40, 505189047), (44, 459262770), (55, 367410216), (60, 336792698), (66, 306175180), (88, 229631385), (110, 183705108), (120, 168396349), (132, 153087590), (165, 122470072), (220, 91852554), (264, 76543795), (330, 61235036), (440, 45926277), (660, 30617518), (1320, 15308759), (2557, 7902840), (5114, 3951420), (5987, 3375240), (7671, 2634280), (10228, 1975710), (11974, 1687620), (12785, 1580568), (15342, 1317140), (17961, 1125080), (20456, 987855), (23948, 843810), (25570, 790284), (28127, 718440), (29935, 675048), (30684, 658570), (35922, 562540), (38355, 526856), (47896, 421905), (51140, 395142), (56254, 359220), (59870, 337524), (61368, 329285), (65857, 306840), (71844, 281270), (76710, 263428), (84381, 239480), (89805, 225016), (102280, 197571), (112508, 179610), (119740, 168762), (131714, 153420), (140635, 143688)]