20499738

素因数分解:

$2^1\times 3^1\times 7^4\times {\mathrm{1423}}^1$

素因数の和:1456

約数の個数: 40

約数和(自身を含む): 47863488

約数和(自身を除く): 27363750

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 343, 686, 1029, 1423, 2058, 2401, 2846, 4269, 4802, 7203, 8538, 9961, 14406, 19922, 29883, 59766, 69727, 139454, 209181, 418362, 488089, 976178, 1464267, 2928534, 3416623, 6833246, 10249869, 20499738]

約数ペア:

[(1, 20499738), (2, 10249869), (3, 6833246), (6, 3416623), (7, 2928534), (14, 1464267), (21, 976178), (42, 488089), (49, 418362), (98, 209181), (147, 139454), (294, 69727), (343, 59766), (686, 29883), (1029, 19922), (1423, 14406), (2058, 9961), (2401, 8538), (2846, 7203), (4269, 4802)]