20696796

素因数分解:

$2^2\times 3^5\times {\mathrm{107}}^1\times {\mathrm{199}}^1$

素因数の和:325

約数の個数: 72

約数和(自身を含む): 55036800

約数和(自身を除く): 34340004

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 107, 108, 162, 199, 214, 243, 321, 324, 398, 428, 486, 597, 642, 796, 963, 972, 1194, 1284, 1791, 1926, 2388, 2889, 3582, 3852, 5373, 5778, 7164, 8667, 10746, 11556, 16119, 17334, 21293, 21492, 26001, 32238, 34668, 42586, 48357, 52002, 63879, 64476, 85172, 96714, 104004, 127758, 191637, 193428, 255516, 383274, 574911, 766548, 1149822, 1724733, 2299644, 3449466, 5174199, 6898932, 10348398, 20696796]

約数ペア:

[(1, 20696796), (2, 10348398), (3, 6898932), (4, 5174199), (6, 3449466), (9, 2299644), (12, 1724733), (18, 1149822), (27, 766548), (36, 574911), (54, 383274), (81, 255516), (107, 193428), (108, 191637), (162, 127758), (199, 104004), (214, 96714), (243, 85172), (321, 64476), (324, 63879), (398, 52002), (428, 48357), (486, 42586), (597, 34668), (642, 32238), (796, 26001), (963, 21492), (972, 21293), (1194, 17334), (1284, 16119), (1791, 11556), (1926, 10746), (2388, 8667), (2889, 7164), (3582, 5778), (3852, 5373)]