20683065

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{199}}^1$

素因数の和:274

約数の個数: 48

約数和(自身を含む): 36892800

約数和(自身を除く): 16209735

約数列:

[1, 3, 5, 13, 15, 39, 41, 65, 123, 169, 195, 199, 205, 507, 533, 597, 615, 845, 995, 1599, 2535, 2587, 2665, 2985, 6929, 7761, 7995, 8159, 12935, 20787, 24477, 33631, 34645, 38805, 40795, 100893, 103935, 106067, 122385, 168155, 318201, 504465, 530335, 1378871, 1591005, 4136613, 6894355, 20683065]

約数ペア:

[(1, 20683065), (3, 6894355), (5, 4136613), (13, 1591005), (15, 1378871), (39, 530335), (41, 504465), (65, 318201), (123, 168155), (169, 122385), (195, 106067), (199, 103935), (205, 100893), (507, 40795), (533, 38805), (597, 34645), (615, 33631), (845, 24477), (995, 20787), (1599, 12935), (2535, 8159), (2587, 7995), (2665, 7761), (2985, 6929)]