20979714

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{6323}}^1$

素因数の和:6414

約数の個数: 32

約数和(自身を含む): 48568320

約数和(自身を除く): 27588606

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 79, 158, 237, 474, 553, 1106, 1659, 3318, 6323, 12646, 18969, 37938, 44261, 88522, 132783, 265566, 499517, 999034, 1498551, 2997102, 3496619, 6993238, 10489857, 20979714]

約数ペア:

[(1, 20979714), (2, 10489857), (3, 6993238), (6, 3496619), (7, 2997102), (14, 1498551), (21, 999034), (42, 499517), (79, 265566), (158, 132783), (237, 88522), (474, 44261), (553, 37938), (1106, 18969), (1659, 12646), (3318, 6323)]