20155310505

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{373}}^1\times {\mathrm{631}}^1$

素因数の和:1199

約数の個数: 96

約数和(自身を含む): 38495837952

約数和(自身を除く): 18340527447

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 173, 373, 495, 519, 631, 865, 1119, 1557, 1865, 1893, 1903, 2595, 3155, 3357, 4103, 5595, 5679, 5709, 6941, 7785, 9465, 9515, 12309, 16785, 17127, 20515, 20823, 28395, 28545, 34705, 36927, 61545, 62469, 64529, 85635, 104115, 109163, 184635, 193587, 235363, 312345, 322645, 327489, 545815, 580761, 706089, 709819, 967935, 982467, 1176815, 1200793, 1637445, 2118267, 2129457, 2588993, 2903805, 3530445, 3549095, 3602379, 4912335, 6003965, 6388371, 7766979, 10591335, 10647285, 10807137, 12944965, 18011895, 23300937, 31941855, 38834895, 40717799, 54035685, 116504685, 122153397, 203588995, 366460191, 447895789, 610766985, 1343687367, 1832300955, 2239478945, 4031062101, 6718436835, 20155310505]

約数ペア:

[(1, 20155310505), (3, 6718436835), (5, 4031062101), (9, 2239478945), (11, 1832300955), (15, 1343687367), (33, 610766985), (45, 447895789), (55, 366460191), (99, 203588995), (165, 122153397), (173, 116504685), (373, 54035685), (495, 40717799), (519, 38834895), (631, 31941855), (865, 23300937), (1119, 18011895), (1557, 12944965), (1865, 10807137), (1893, 10647285), (1903, 10591335), (2595, 7766979), (3155, 6388371), (3357, 6003965), (4103, 4912335), (5595, 3602379), (5679, 3549095), (5709, 3530445), (6941, 2903805), (7785, 2588993), (9465, 2129457), (9515, 2118267), (12309, 1637445), (16785, 1200793), (17127, 1176815), (20515, 982467), (20823, 967935), (28395, 709819), (28545, 706089), (34705, 580761), (36927, 545815), (61545, 327489), (62469, 322645), (64529, 312345), (85635, 235363), (104115, 193587), (109163, 184635)]