20512652328

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{255973}}^1$

素因数の和:256048

約数の個数: 128

約数和(自身を含む): 66348460800

約数和(自身を除く): 45835808472

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 53, 54, 56, 63, 72, 84, 106, 108, 126, 159, 168, 189, 212, 216, 252, 318, 371, 378, 424, 477, 504, 636, 742, 756, 954, 1113, 1272, 1431, 1484, 1512, 1908, 2226, 2862, 2968, 3339, 3816, 4452, 5724, 6678, 8904, 10017, 11448, 13356, 20034, 26712, 40068, 80136, 255973, 511946, 767919, 1023892, 1535838, 1791811, 2047784, 2303757, 3071676, 3583622, 4607514, 5375433, 6143352, 6911271, 7167244, 9215028, 10750866, 13566569, 13822542, 14334488, 16126299, 18430056, 21501732, 27133138, 27645084, 32252598, 40699707, 43003464, 48378897, 54266276, 55290168, 64505196, 81399414, 94965983, 96757794, 108532552, 122099121, 129010392, 162798828, 189931966, 193515588, 244198242, 284897949, 325597656, 366297363, 379863932, 387031176, 488396484, 569795898, 732594726, 759727864, 854693847, 976792968, 1139591796, 1465189452, 1709387694, 2279183592, 2564081541, 2930378904, 3418775388, 5128163082, 6837550776, 10256326164, 20512652328]

約数ペア:

[(1, 20512652328), (2, 10256326164), (3, 6837550776), (4, 5128163082), (6, 3418775388), (7, 2930378904), (8, 2564081541), (9, 2279183592), (12, 1709387694), (14, 1465189452), (18, 1139591796), (21, 976792968), (24, 854693847), (27, 759727864), (28, 732594726), (36, 569795898), (42, 488396484), (53, 387031176), (54, 379863932), (56, 366297363), (63, 325597656), (72, 284897949), (84, 244198242), (106, 193515588), (108, 189931966), (126, 162798828), (159, 129010392), (168, 122099121), (189, 108532552), (212, 96757794), (216, 94965983), (252, 81399414), (318, 64505196), (371, 55290168), (378, 54266276), (424, 48378897), (477, 43003464), (504, 40699707), (636, 32252598), (742, 27645084), (756, 27133138), (954, 21501732), (1113, 18430056), (1272, 16126299), (1431, 14334488), (1484, 13822542), (1512, 13566569), (1908, 10750866), (2226, 9215028), (2862, 7167244), (2968, 6911271), (3339, 6143352), (3816, 5375433), (4452, 4607514), (5724, 3583622), (6678, 3071676), (8904, 2303757), (10017, 2047784), (11448, 1791811), (13356, 1535838), (20034, 1023892), (26712, 767919), (40068, 511946), (80136, 255973)]