20616583788

素因数分解:

$2^2\times 3^2\times {\mathrm{73}}^1\times {\mathrm{1951}}^1\times {\mathrm{4021}}^1$

素因数の和:6055

約数の個数: 72

約数和(自身を含む): 52868256896

約数和(自身を除く): 32251673108

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 73, 146, 219, 292, 438, 657, 876, 1314, 1951, 2628, 3902, 4021, 5853, 7804, 8042, 11706, 12063, 16084, 17559, 23412, 24126, 35118, 36189, 48252, 70236, 72378, 142423, 144756, 284846, 293533, 427269, 569692, 587066, 854538, 880599, 1174132, 1281807, 1709076, 1761198, 2563614, 2641797, 3522396, 5127228, 5283594, 7844971, 10567188, 15689942, 23534913, 31379884, 47069826, 70604739, 94139652, 141209478, 282418956, 572682883, 1145365766, 1718048649, 2290731532, 3436097298, 5154145947, 6872194596, 10308291894, 20616583788]

約数ペア:

[(1, 20616583788), (2, 10308291894), (3, 6872194596), (4, 5154145947), (6, 3436097298), (9, 2290731532), (12, 1718048649), (18, 1145365766), (36, 572682883), (73, 282418956), (146, 141209478), (219, 94139652), (292, 70604739), (438, 47069826), (657, 31379884), (876, 23534913), (1314, 15689942), (1951, 10567188), (2628, 7844971), (3902, 5283594), (4021, 5127228), (5853, 3522396), (7804, 2641797), (8042, 2563614), (11706, 1761198), (12063, 1709076), (16084, 1281807), (17559, 1174132), (23412, 880599), (24126, 854538), (35118, 587066), (36189, 569692), (48252, 427269), (70236, 293533), (72378, 284846), (142423, 144756)]