20695170

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{337}}^1$

素因数の和:459

約数の個数: 64

約数和(自身を含む): 52565760

約数和(自身を除く): 31870590

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 89, 115, 138, 178, 230, 267, 337, 345, 445, 534, 674, 690, 890, 1011, 1335, 1685, 2022, 2047, 2670, 3370, 4094, 5055, 6141, 7751, 10110, 10235, 12282, 15502, 20470, 23253, 29993, 30705, 38755, 46506, 59986, 61410, 77510, 89979, 116265, 149965, 179958, 232530, 299930, 449895, 689839, 899790, 1379678, 2069517, 3449195, 4139034, 6898390, 10347585, 20695170]

約数ペア:

[(1, 20695170), (2, 10347585), (3, 6898390), (5, 4139034), (6, 3449195), (10, 2069517), (15, 1379678), (23, 899790), (30, 689839), (46, 449895), (69, 299930), (89, 232530), (115, 179958), (138, 149965), (178, 116265), (230, 89979), (267, 77510), (337, 61410), (345, 59986), (445, 46506), (534, 38755), (674, 30705), (690, 29993), (890, 23253), (1011, 20470), (1335, 15502), (1685, 12282), (2022, 10235), (2047, 10110), (2670, 7751), (3370, 6141), (4094, 5055)]