20174485725

素因数分解:

$3^5\times 5^2\times {\mathrm{109}}^1\times {\mathrm{30467}}^1$

素因数の和:30601

約数の個数: 72

約数和(自身を含む): 37818100320

約数和(自身を除く): 17643614595

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 109, 135, 225, 243, 327, 405, 545, 675, 981, 1215, 1635, 2025, 2725, 2943, 4905, 6075, 8175, 8829, 14715, 24525, 26487, 30467, 44145, 73575, 91401, 132435, 152335, 220725, 274203, 457005, 662175, 761675, 822609, 1371015, 2285025, 2467827, 3320903, 4113045, 6855075, 7403481, 9962709, 12339135, 16604515, 20565225, 29888127, 37017405, 49813545, 61695675, 83022575, 89664381, 149440635, 185087025, 249067725, 268993143, 448321905, 747203175, 806979429, 1344965715, 2241609525, 4034897145, 6724828575, 20174485725]

約数ペア:

[(1, 20174485725), (3, 6724828575), (5, 4034897145), (9, 2241609525), (15, 1344965715), (25, 806979429), (27, 747203175), (45, 448321905), (75, 268993143), (81, 249067725), (109, 185087025), (135, 149440635), (225, 89664381), (243, 83022575), (327, 61695675), (405, 49813545), (545, 37017405), (675, 29888127), (981, 20565225), (1215, 16604515), (1635, 12339135), (2025, 9962709), (2725, 7403481), (2943, 6855075), (4905, 4113045), (6075, 3320903), (8175, 2467827), (8829, 2285025), (14715, 1371015), (24525, 822609), (26487, 761675), (30467, 662175), (44145, 457005), (73575, 274203), (91401, 220725), (132435, 152335)]