20874252

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{3709}}^1$

素因数の和:3790

約数の個数: 48

約数和(自身を含む): 56510720

約数和(自身を除く): 35636468

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 67, 84, 134, 201, 268, 402, 469, 804, 938, 1407, 1876, 2814, 3709, 5628, 7418, 11127, 14836, 22254, 25963, 44508, 51926, 77889, 103852, 155778, 248503, 311556, 497006, 745509, 994012, 1491018, 1739521, 2982036, 3479042, 5218563, 6958084, 10437126, 20874252]

約数ペア:

[(1, 20874252), (2, 10437126), (3, 6958084), (4, 5218563), (6, 3479042), (7, 2982036), (12, 1739521), (14, 1491018), (21, 994012), (28, 745509), (42, 497006), (67, 311556), (84, 248503), (134, 155778), (201, 103852), (268, 77889), (402, 51926), (469, 44508), (804, 25963), (938, 22254), (1407, 14836), (1876, 11127), (2814, 7418), (3709, 5628)]