20712068

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{157}}^1$

素因数の和:276

約数の個数: 48

約数和(自身を含む): 40877760

約数和(自身を除く): 20165692

約数列:

[1, 2, 4, 13, 26, 43, 52, 59, 86, 118, 157, 172, 236, 314, 559, 628, 767, 1118, 1534, 2041, 2236, 2537, 3068, 4082, 5074, 6751, 8164, 9263, 10148, 13502, 18526, 27004, 32981, 37052, 65962, 87763, 120419, 131924, 175526, 240838, 351052, 398309, 481676, 796618, 1593236, 5178017, 10356034, 20712068]

約数ペア:

[(1, 20712068), (2, 10356034), (4, 5178017), (13, 1593236), (26, 796618), (43, 481676), (52, 398309), (59, 351052), (86, 240838), (118, 175526), (157, 131924), (172, 120419), (236, 87763), (314, 65962), (559, 37052), (628, 32981), (767, 27004), (1118, 18526), (1534, 13502), (2041, 10148), (2236, 9263), (2537, 8164), (3068, 6751), (4082, 5074)]