20943230

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{461}}^1$

素因数の和:545

約数の個数: 64

約数和(自身を含む): 47900160

約数和(自身を除く): 26956930

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 59, 70, 77, 110, 118, 154, 295, 385, 413, 461, 590, 649, 770, 826, 922, 1298, 2065, 2305, 3227, 3245, 4130, 4543, 4610, 5071, 6454, 6490, 9086, 10142, 16135, 22715, 25355, 27199, 32270, 35497, 45430, 50710, 54398, 70994, 135995, 177485, 190393, 271990, 299189, 354970, 380786, 598378, 951965, 1495945, 1903930, 2094323, 2991890, 4188646, 10471615, 20943230]

約数ペア:

[(1, 20943230), (2, 10471615), (5, 4188646), (7, 2991890), (10, 2094323), (11, 1903930), (14, 1495945), (22, 951965), (35, 598378), (55, 380786), (59, 354970), (70, 299189), (77, 271990), (110, 190393), (118, 177485), (154, 135995), (295, 70994), (385, 54398), (413, 50710), (461, 45430), (590, 35497), (649, 32270), (770, 27199), (826, 25355), (922, 22715), (1298, 16135), (2065, 10142), (2305, 9086), (3227, 6490), (3245, 6454), (4130, 5071), (4543, 4610)]