20575515.000000000

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{431}}^1$

素因数の和:502

約数の個数: 96

約数和(自身を含む): 308883456

約数和(自身を除く): 182782338

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 31, 33, 39, 62, 66, 78, 93, 121, 143, 186, 242, 286, 341, 363, 403, 429, 431, 682, 726, 806, 858, 862, 1023, 1209, 1293, 1573, 2046, 2418, 2586, 3146, 3751, 4433, 4719, 4741, 5603, 7502, 8866, 9438, 9482, 11206, 11253, 13299, 13361, 14223, 16809, 22506, 26598, 26722, 28446, 33618, 40083, 48763, 52151, 61633, 80166, 97526, 104302, 123266, 146289, 146971, 156453, 173693, 184899, 292578, 293942, 312906, 347386, 369798, 440913, 521079, 677963, 881826, 1042158, 1355926, 1616681, 1910623, 2033889, 3233362, 3821246, 4067778, 4850043, 5731869, 9700086, 11463738, 21016853, 42033706, 63050559, 126101118]

約数ペア:

[(1, 126101118), (2, 63050559), (3, 42033706), (6, 21016853), (11, 11463738), (13, 9700086), (22, 5731869), (26, 4850043), (31, 4067778), (33, 3821246), (39, 3233362), (62, 2033889), (66, 1910623), (78, 1616681), (93, 1355926), (121, 1042158), (143, 881826), (186, 677963), (242, 521079), (286, 440913), (341, 369798), (363, 347386), (403, 312906), (429, 293942), (431, 292578), (682, 184899), (726, 173693), (806, 156453), (858, 146971), (862, 146289), (1023, 123266), (1209, 104302), (1293, 97526), (1573, 80166), (2046, 61633), (2418, 52151), (2586, 48763), (3146, 40083), (3751, 33618), (4433, 28446), (4719, 26722), (4741, 26598), (5603, 22506), (7502, 16809), (8866, 14223), (9438, 13361), (9482, 13299), (11206, 11253)]