20474300

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2659}}^1$

素因数の和:2691

約数の個数: 72

約数和(自身を含む): 55413120

約数和(自身を除く): 34938820

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 25, 28, 35, 44, 50, 55, 70, 77, 100, 110, 140, 154, 175, 220, 275, 308, 350, 385, 550, 700, 770, 1100, 1540, 1925, 2659, 3850, 5318, 7700, 10636, 13295, 18613, 26590, 29249, 37226, 53180, 58498, 66475, 74452, 93065, 116996, 132950, 146245, 186130, 204743, 265900, 292490, 372260, 409486, 465325, 584980, 731225, 818972, 930650, 1023715, 1462450, 1861300, 2047430, 2924900, 4094860, 5118575, 10237150, 20474300]

約数ペア:

[(1, 20474300), (2, 10237150), (4, 5118575), (5, 4094860), (7, 2924900), (10, 2047430), (11, 1861300), (14, 1462450), (20, 1023715), (22, 930650), (25, 818972), (28, 731225), (35, 584980), (44, 465325), (50, 409486), (55, 372260), (70, 292490), (77, 265900), (100, 204743), (110, 186130), (140, 146245), (154, 132950), (175, 116996), (220, 93065), (275, 74452), (308, 66475), (350, 58498), (385, 53180), (550, 37226), (700, 29249), (770, 26590), (1100, 18613), (1540, 13295), (1925, 10636), (2659, 7700), (3850, 5318)]