20678790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{281}}^1$

素因数の和:525

約数の個数: 64

約数和(自身を含む): 54577152

約数和(自身を除く): 33898362

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 165, 223, 281, 330, 446, 562, 669, 843, 1115, 1338, 1405, 1686, 2230, 2453, 2810, 3091, 3345, 4215, 4906, 6182, 6690, 7359, 8430, 9273, 12265, 14718, 15455, 18546, 24530, 30910, 36795, 46365, 62663, 73590, 92730, 125326, 187989, 313315, 375978, 626630, 689293, 939945, 1378586, 1879890, 2067879, 3446465, 4135758, 6892930, 10339395, 20678790]

約数ペア:

[(1, 20678790), (2, 10339395), (3, 6892930), (5, 4135758), (6, 3446465), (10, 2067879), (11, 1879890), (15, 1378586), (22, 939945), (30, 689293), (33, 626630), (55, 375978), (66, 313315), (110, 187989), (165, 125326), (223, 92730), (281, 73590), (330, 62663), (446, 46365), (562, 36795), (669, 30910), (843, 24530), (1115, 18546), (1338, 15455), (1405, 14718), (1686, 12265), (2230, 9273), (2453, 8430), (2810, 7359), (3091, 6690), (3345, 6182), (4215, 4906)]