20351464

素因数分解:

$2^3\times 7^2\times {\mathrm{193}}^1\times {\mathrm{269}}^1$

素因数の和:482

約数の個数: 48

約数和(自身を含む): 44784900

約数和(自身を除く): 24433436

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 193, 196, 269, 386, 392, 538, 772, 1076, 1351, 1544, 1883, 2152, 2702, 3766, 5404, 7532, 9457, 10808, 13181, 15064, 18914, 26362, 37828, 51917, 52724, 75656, 103834, 105448, 207668, 363419, 415336, 726838, 1453676, 2543933, 2907352, 5087866, 10175732, 20351464]

約数ペア:

[(1, 20351464), (2, 10175732), (4, 5087866), (7, 2907352), (8, 2543933), (14, 1453676), (28, 726838), (49, 415336), (56, 363419), (98, 207668), (193, 105448), (196, 103834), (269, 75656), (386, 52724), (392, 51917), (538, 37828), (772, 26362), (1076, 18914), (1351, 15064), (1544, 13181), (1883, 10808), (2152, 9457), (2702, 7532), (3766, 5404)]