20931780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{167}}^1\times {\mathrm{2089}}^1$

素因数の和:2268

約数の個数: 48

約数和(自身を含む): 58988160

約数和(自身を除く): 38056380

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 167, 334, 501, 668, 835, 1002, 1670, 2004, 2089, 2505, 3340, 4178, 5010, 6267, 8356, 10020, 10445, 12534, 20890, 25068, 31335, 41780, 62670, 125340, 348863, 697726, 1046589, 1395452, 1744315, 2093178, 3488630, 4186356, 5232945, 6977260, 10465890, 20931780]

約数ペア:

[(1, 20931780), (2, 10465890), (3, 6977260), (4, 5232945), (5, 4186356), (6, 3488630), (10, 2093178), (12, 1744315), (15, 1395452), (20, 1046589), (30, 697726), (60, 348863), (167, 125340), (334, 62670), (501, 41780), (668, 31335), (835, 25068), (1002, 20890), (1670, 12534), (2004, 10445), (2089, 10020), (2505, 8356), (3340, 6267), (4178, 5010)]