20694228

素因数分解:

$2^2\times 3^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1\times {\mathrm{227}}^1$

素因数の和:412

約数の個数: 48

約数和(自身を含む): 49641984

約数和(自身を除く): 28947756

約数列:

[1, 2, 3, 4, 6, 12, 71, 107, 142, 213, 214, 227, 284, 321, 426, 428, 454, 642, 681, 852, 908, 1284, 1362, 2724, 7597, 15194, 16117, 22791, 24289, 30388, 32234, 45582, 48351, 48578, 64468, 72867, 91164, 96702, 97156, 145734, 193404, 291468, 1724519, 3449038, 5173557, 6898076, 10347114, 20694228]

約数ペア:

[(1, 20694228), (2, 10347114), (3, 6898076), (4, 5173557), (6, 3449038), (12, 1724519), (71, 291468), (107, 193404), (142, 145734), (213, 97156), (214, 96702), (227, 91164), (284, 72867), (321, 64468), (426, 48578), (428, 48351), (454, 45582), (642, 32234), (681, 30388), (852, 24289), (908, 22791), (1284, 16117), (1362, 15194), (2724, 7597)]