20512542270

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{487}}^1\times {\mathrm{127637}}^1$

素因数の和:128145

約数の個数: 64

約数和(自身を含む): 53816265216

約数和(自身を除く): 33303722946

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 165, 330, 487, 974, 1461, 2435, 2922, 4870, 5357, 7305, 10714, 14610, 16071, 26785, 32142, 53570, 80355, 127637, 160710, 255274, 382911, 638185, 765822, 1276370, 1404007, 1914555, 2808014, 3829110, 4212021, 7020035, 8424042, 14040070, 21060105, 42120210, 62159219, 124318438, 186477657, 310796095, 372955314, 621592190, 683751409, 932388285, 1367502818, 1864776570, 2051254227, 3418757045, 4102508454, 6837514090, 10256271135, 20512542270]

約数ペア:

[(1, 20512542270), (2, 10256271135), (3, 6837514090), (5, 4102508454), (6, 3418757045), (10, 2051254227), (11, 1864776570), (15, 1367502818), (22, 932388285), (30, 683751409), (33, 621592190), (55, 372955314), (66, 310796095), (110, 186477657), (165, 124318438), (330, 62159219), (487, 42120210), (974, 21060105), (1461, 14040070), (2435, 8424042), (2922, 7020035), (4870, 4212021), (5357, 3829110), (7305, 2808014), (10714, 1914555), (14610, 1404007), (16071, 1276370), (26785, 765822), (32142, 638185), (53570, 382911), (80355, 255274), (127637, 160710)]