2020804940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1312211}}^1$

素因数の和:1312238

約数の個数: 48

約数和(自身を含む): 5290838784

約数和(自身を除く): 3270033844

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 1312211, 2624422, 5248844, 6561055, 9185477, 13122110, 14434321, 18370954, 26244220, 28868642, 36741908, 45927385, 57737284, 72171605, 91854770, 101040247, 144343210, 183709540, 202080494, 288686420, 404160988, 505201235, 1010402470, 2020804940]

約数ペア:

[(1, 2020804940), (2, 1010402470), (4, 505201235), (5, 404160988), (7, 288686420), (10, 202080494), (11, 183709540), (14, 144343210), (20, 101040247), (22, 91854770), (28, 72171605), (35, 57737284), (44, 45927385), (55, 36741908), (70, 28868642), (77, 26244220), (110, 18370954), (140, 14434321), (154, 13122110), (220, 9185477), (308, 6561055), (385, 5248844), (770, 2624422), (1540, 1312211)]