20274618

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{523}}^1$

素因数の和:619

約数の個数: 64

約数和(自身を含む): 50706432

約数和(自身を除く): 30431814

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 71, 78, 91, 142, 182, 213, 273, 426, 497, 523, 546, 923, 994, 1046, 1491, 1569, 1846, 2769, 2982, 3138, 3661, 5538, 6461, 6799, 7322, 10983, 12922, 13598, 19383, 20397, 21966, 37133, 38766, 40794, 47593, 74266, 95186, 111399, 142779, 222798, 259931, 285558, 482729, 519862, 779793, 965458, 1448187, 1559586, 2896374, 3379103, 6758206, 10137309, 20274618]

約数ペア:

[(1, 20274618), (2, 10137309), (3, 6758206), (6, 3379103), (7, 2896374), (13, 1559586), (14, 1448187), (21, 965458), (26, 779793), (39, 519862), (42, 482729), (71, 285558), (78, 259931), (91, 222798), (142, 142779), (182, 111399), (213, 95186), (273, 74266), (426, 47593), (497, 40794), (523, 38766), (546, 37133), (923, 21966), (994, 20397), (1046, 19383), (1491, 13598), (1569, 12922), (1846, 10983), (2769, 7322), (2982, 6799), (3138, 6461), (3661, 5538)]