20161085168

素因数分解:

$2^4\times 7^1\times {\mathrm{269}}^1\times {\mathrm{669181}}^1$

素因数の和:669465

約数の個数: 40

約数和(自身を含む): 44808426720

約数和(自身を除く): 24647341552

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 269, 538, 1076, 1883, 2152, 3766, 4304, 7532, 15064, 30128, 669181, 1338362, 2676724, 4684267, 5353448, 9368534, 10706896, 18737068, 37474136, 74948272, 180009689, 360019378, 720038756, 1260067823, 1440077512, 2520135646, 2880155024, 5040271292, 10080542584, 20161085168]

約数ペア:

[(1, 20161085168), (2, 10080542584), (4, 5040271292), (7, 2880155024), (8, 2520135646), (14, 1440077512), (16, 1260067823), (28, 720038756), (56, 360019378), (112, 180009689), (269, 74948272), (538, 37474136), (1076, 18737068), (1883, 10706896), (2152, 9368534), (3766, 5353448), (4304, 4684267), (7532, 2676724), (15064, 1338362), (30128, 669181)]