201720892

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{557}}^1\times {\mathrm{2447}}^1$

素因数の和:3045

約数の個数: 24

約数和(自身を含む): 363351744

約数和(自身を除く): 161630852

約数列:

[1, 2, 4, 37, 74, 148, 557, 1114, 2228, 2447, 4894, 9788, 20609, 41218, 82436, 90539, 181078, 362156, 1362979, 2725958, 5451916, 50430223, 100860446, 201720892]

約数ペア:

[(1, 201720892), (2, 100860446), (4, 50430223), (37, 5451916), (74, 2725958), (148, 1362979), (557, 362156), (1114, 181078), (2228, 90539), (2447, 82436), (4894, 41218), (9788, 20609)]