20434425

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1$

素因数の和:119

約数の個数: 96

約数和(自身を含む): 41140224

約数和(自身を除く): 20705799

約数列:

[1, 3, 5, 11, 15, 17, 25, 31, 33, 47, 51, 55, 75, 85, 93, 141, 155, 165, 187, 235, 255, 275, 341, 425, 465, 517, 527, 561, 705, 775, 799, 825, 935, 1023, 1175, 1275, 1457, 1551, 1581, 1705, 2325, 2397, 2585, 2635, 2805, 3525, 3995, 4371, 4675, 5115, 5797, 7285, 7755, 7905, 8525, 8789, 11985, 12925, 13175, 14025, 16027, 17391, 19975, 21855, 24769, 25575, 26367, 28985, 36425, 38775, 39525, 43945, 48081, 59925, 74307, 80135, 86955, 109275, 123845, 131835, 144925, 219725, 240405, 272459, 371535, 400675, 434775, 619225, 659175, 817377, 1202025, 1362295, 1857675, 4086885, 6811475, 20434425]

約数ペア:

[(1, 20434425), (3, 6811475), (5, 4086885), (11, 1857675), (15, 1362295), (17, 1202025), (25, 817377), (31, 659175), (33, 619225), (47, 434775), (51, 400675), (55, 371535), (75, 272459), (85, 240405), (93, 219725), (141, 144925), (155, 131835), (165, 123845), (187, 109275), (235, 86955), (255, 80135), (275, 74307), (341, 59925), (425, 48081), (465, 43945), (517, 39525), (527, 38775), (561, 36425), (705, 28985), (775, 26367), (799, 25575), (825, 24769), (935, 21855), (1023, 19975), (1175, 17391), (1275, 16027), (1457, 14025), (1551, 13175), (1581, 12925), (1705, 11985), (2325, 8789), (2397, 8525), (2585, 7905), (2635, 7755), (2805, 7285), (3525, 5797), (3995, 5115), (4371, 4675)]