20693010

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{547}}^1$

素因数の和:667

約数の個数: 64

約数和(自身を含む): 54133632

約数和(自身を除く): 33440622

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 97, 130, 194, 195, 291, 390, 485, 547, 582, 970, 1094, 1261, 1455, 1641, 2522, 2735, 2910, 3282, 3783, 5470, 6305, 7111, 7566, 8205, 12610, 14222, 16410, 18915, 21333, 35555, 37830, 42666, 53059, 71110, 106118, 106665, 159177, 213330, 265295, 318354, 530590, 689767, 795885, 1379534, 1591770, 2069301, 3448835, 4138602, 6897670, 10346505, 20693010]

約数ペア:

[(1, 20693010), (2, 10346505), (3, 6897670), (5, 4138602), (6, 3448835), (10, 2069301), (13, 1591770), (15, 1379534), (26, 795885), (30, 689767), (39, 530590), (65, 318354), (78, 265295), (97, 213330), (130, 159177), (194, 106665), (195, 106118), (291, 71110), (390, 53059), (485, 42666), (547, 37830), (582, 35555), (970, 21333), (1094, 18915), (1261, 16410), (1455, 14222), (1641, 12610), (2522, 8205), (2735, 7566), (2910, 7111), (3282, 6305), (3783, 5470)]