20985798

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{241}}^1\times {\mathrm{631}}^1$

素因数の和:900

約数の個数: 32

約数和(自身を含む): 44047872

約数和(自身を除く): 23062074

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 241, 482, 631, 723, 1262, 1446, 1893, 3786, 5543, 11086, 14513, 16629, 29026, 33258, 43539, 87078, 152071, 304142, 456213, 912426, 3497633, 6995266, 10492899, 20985798]

約数ペア:

[(1, 20985798), (2, 10492899), (3, 6995266), (6, 3497633), (23, 912426), (46, 456213), (69, 304142), (138, 152071), (241, 87078), (482, 43539), (631, 33258), (723, 29026), (1262, 16629), (1446, 14513), (1893, 11086), (3786, 5543)]