20217668832

素因数分解:

$2^5\times 3^2\times {\mathrm{107}}^1\times {\mathrm{656077}}^1$

素因数の和:656200

約数の個数: 72

約数和(自身を含む): 58031411256

約数和(自身を除く): 37813742424

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 107, 144, 214, 288, 321, 428, 642, 856, 963, 1284, 1712, 1926, 2568, 3424, 3852, 5136, 7704, 10272, 15408, 30816, 656077, 1312154, 1968231, 2624308, 3936462, 5248616, 5904693, 7872924, 10497232, 11809386, 15745848, 20994464, 23618772, 31491696, 47237544, 62983392, 70200239, 94475088, 140400478, 188950176, 210600717, 280800956, 421201434, 561601912, 631802151, 842402868, 1123203824, 1263604302, 1684805736, 2246407648, 2527208604, 3369611472, 5054417208, 6739222944, 10108834416, 20217668832]

約数ペア:

[(1, 20217668832), (2, 10108834416), (3, 6739222944), (4, 5054417208), (6, 3369611472), (8, 2527208604), (9, 2246407648), (12, 1684805736), (16, 1263604302), (18, 1123203824), (24, 842402868), (32, 631802151), (36, 561601912), (48, 421201434), (72, 280800956), (96, 210600717), (107, 188950176), (144, 140400478), (214, 94475088), (288, 70200239), (321, 62983392), (428, 47237544), (642, 31491696), (856, 23618772), (963, 20994464), (1284, 15745848), (1712, 11809386), (1926, 10497232), (2568, 7872924), (3424, 5904693), (3852, 5248616), (5136, 3936462), (7704, 2624308), (10272, 1968231), (15408, 1312154), (30816, 656077)]