20403504

素因数分解:

$2^4\times 3^2\times {\mathrm{11}}^2\times {\mathrm{1171}}^1$

素因数の和:1207

約数の個数: 90

約数和(自身を含む): 62818028

約数和(自身を除く): 42414524

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 33, 36, 44, 48, 66, 72, 88, 99, 121, 132, 144, 176, 198, 242, 264, 363, 396, 484, 528, 726, 792, 968, 1089, 1171, 1452, 1584, 1936, 2178, 2342, 2904, 3513, 4356, 4684, 5808, 7026, 8712, 9368, 10539, 12881, 14052, 17424, 18736, 21078, 25762, 28104, 38643, 42156, 51524, 56208, 77286, 84312, 103048, 115929, 141691, 154572, 168624, 206096, 231858, 283382, 309144, 425073, 463716, 566764, 618288, 850146, 927432, 1133528, 1275219, 1700292, 1854864, 2267056, 2550438, 3400584, 5100876, 6801168, 10201752, 20403504]

約数ペア:

[(1, 20403504), (2, 10201752), (3, 6801168), (4, 5100876), (6, 3400584), (8, 2550438), (9, 2267056), (11, 1854864), (12, 1700292), (16, 1275219), (18, 1133528), (22, 927432), (24, 850146), (33, 618288), (36, 566764), (44, 463716), (48, 425073), (66, 309144), (72, 283382), (88, 231858), (99, 206096), (121, 168624), (132, 154572), (144, 141691), (176, 115929), (198, 103048), (242, 84312), (264, 77286), (363, 56208), (396, 51524), (484, 42156), (528, 38643), (726, 28104), (792, 25762), (968, 21078), (1089, 18736), (1171, 17424), (1452, 14052), (1584, 12881), (1936, 10539), (2178, 9368), (2342, 8712), (2904, 7026), (3513, 5808), (4356, 4684)]