20414025

素因数分解:

$3^4\times 5^2\times {\mathrm{17}}^1\times {\mathrm{593}}^1$

素因数の和:632

約数の個数: 60

約数和(自身を含む): 40105692

約数和(自身を除く): 19691667

約数列:

[1, 3, 5, 9, 15, 17, 25, 27, 45, 51, 75, 81, 85, 135, 153, 225, 255, 405, 425, 459, 593, 675, 765, 1275, 1377, 1779, 2025, 2295, 2965, 3825, 5337, 6885, 8895, 10081, 11475, 14825, 16011, 26685, 30243, 34425, 44475, 48033, 50405, 80055, 90729, 133425, 151215, 240165, 252025, 272187, 400275, 453645, 756075, 816561, 1200825, 1360935, 2268225, 4082805, 6804675, 20414025]

約数ペア:

[(1, 20414025), (3, 6804675), (5, 4082805), (9, 2268225), (15, 1360935), (17, 1200825), (25, 816561), (27, 756075), (45, 453645), (51, 400275), (75, 272187), (81, 252025), (85, 240165), (135, 151215), (153, 133425), (225, 90729), (255, 80055), (405, 50405), (425, 48033), (459, 44475), (593, 34425), (675, 30243), (765, 26685), (1275, 16011), (1377, 14825), (1779, 11475), (2025, 10081), (2295, 8895), (2965, 6885), (3825, 5337)]