20145307035

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{449321}}^1$

素因数の和:449404

約数の個数: 48

約数和(自身を含む): 38109694752

約数和(自身を除く): 17964387717

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 61, 105, 147, 183, 245, 305, 427, 735, 915, 1281, 2135, 2989, 6405, 8967, 14945, 44835, 449321, 1347963, 2246605, 3145247, 6739815, 9435741, 15726235, 22016729, 27408581, 47178705, 66050187, 82225743, 110083645, 137042905, 191860067, 330250935, 411128715, 575580201, 959300335, 1343020469, 2877901005, 4029061407, 6715102345, 20145307035]

約数ペア:

[(1, 20145307035), (3, 6715102345), (5, 4029061407), (7, 2877901005), (15, 1343020469), (21, 959300335), (35, 575580201), (49, 411128715), (61, 330250935), (105, 191860067), (147, 137042905), (183, 110083645), (245, 82225743), (305, 66050187), (427, 47178705), (735, 27408581), (915, 22016729), (1281, 15726235), (2135, 9435741), (2989, 6739815), (6405, 3145247), (8967, 2246605), (14945, 1347963), (44835, 449321)]