20057308

素因数分解:

$2^2\times {\mathrm{109}}^1\times {\mathrm{179}}^1\times {\mathrm{257}}^1$

素因数の和:549

約数の個数: 24

約数和(自身を含む): 35758800

約数和(自身を除く): 15701492

約数列:

[1, 2, 4, 109, 179, 218, 257, 358, 436, 514, 716, 1028, 19511, 28013, 39022, 46003, 56026, 78044, 92006, 112052, 184012, 5014327, 10028654, 20057308]

約数ペア:

[(1, 20057308), (2, 10028654), (4, 5014327), (109, 184012), (179, 112052), (218, 92006), (257, 78044), (358, 56026), (436, 46003), (514, 39022), (716, 28013), (1028, 19511)]