20127015

素因数分解:

$3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1$

素因数の和:193

約数の個数: 64

約数和(自身を含む): 38102400

約数和(自身を除く): 17975385

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 53, 87, 97, 135, 145, 159, 261, 265, 291, 435, 477, 485, 783, 795, 873, 1305, 1431, 1455, 1537, 2385, 2619, 2813, 3915, 4365, 4611, 5141, 7155, 7685, 8439, 13095, 13833, 14065, 15423, 23055, 25317, 25705, 41499, 42195, 46269, 69165, 75951, 77115, 126585, 138807, 149089, 207495, 231345, 379755, 447267, 694035, 745445, 1341801, 2236335, 4025403, 6709005, 20127015]

約数ペア:

[(1, 20127015), (3, 6709005), (5, 4025403), (9, 2236335), (15, 1341801), (27, 745445), (29, 694035), (45, 447267), (53, 379755), (87, 231345), (97, 207495), (135, 149089), (145, 138807), (159, 126585), (261, 77115), (265, 75951), (291, 69165), (435, 46269), (477, 42195), (485, 41499), (783, 25705), (795, 25317), (873, 23055), (1305, 15423), (1431, 14065), (1455, 13833), (1537, 13095), (2385, 8439), (2619, 7685), (2813, 7155), (3915, 5141), (4365, 4611)]