20860964

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{971}}^1$

素因数の和:1147

約数の個数: 24

約数和(自身を含む): 37721376

約数和(自身を除く): 16860412

約数列:

[1, 2, 4, 41, 82, 131, 164, 262, 524, 971, 1942, 3884, 5371, 10742, 21484, 39811, 79622, 127201, 159244, 254402, 508804, 5215241, 10430482, 20860964]

約数ペア:

[(1, 20860964), (2, 10430482), (4, 5215241), (41, 508804), (82, 254402), (131, 159244), (164, 127201), (262, 79622), (524, 39811), (971, 21484), (1942, 10742), (3884, 5371)]