20172901904

素因数分解:

$2^4\times {\mathrm{179}}^1\times {\mathrm{433}}^1\times {\mathrm{16267}}^1$

素因数の和:16887

約数の個数: 40

約数和(自身を含む): 39396540960

約数和(自身を除く): 19223639056

約数列:

[1, 2, 4, 8, 16, 179, 358, 433, 716, 866, 1432, 1732, 2864, 3464, 6928, 16267, 32534, 65068, 77507, 130136, 155014, 260272, 310028, 620056, 1240112, 2911793, 5823586, 7043611, 11647172, 14087222, 23294344, 28174444, 46588688, 56348888, 112697776, 1260806369, 2521612738, 5043225476, 10086450952, 20172901904]

約数ペア:

[(1, 20172901904), (2, 10086450952), (4, 5043225476), (8, 2521612738), (16, 1260806369), (179, 112697776), (358, 56348888), (433, 46588688), (716, 28174444), (866, 23294344), (1432, 14087222), (1732, 11647172), (2864, 7043611), (3464, 5823586), (6928, 2911793), (16267, 1240112), (32534, 620056), (65068, 310028), (77507, 260272), (130136, 155014)]