20769750

素因数分解:

$2^1\times 3^3\times 5^3\times {\mathrm{17}}^1\times {\mathrm{181}}^1$

素因数の和:224

約数の個数: 128

約数和(自身を含む): 61326720

約数和(自身を除く): 40556970

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 25, 27, 30, 34, 45, 50, 51, 54, 75, 85, 90, 102, 125, 135, 150, 153, 170, 181, 225, 250, 255, 270, 306, 362, 375, 425, 450, 459, 510, 543, 675, 750, 765, 850, 905, 918, 1086, 1125, 1275, 1350, 1530, 1629, 1810, 2125, 2250, 2295, 2550, 2715, 3077, 3258, 3375, 3825, 4250, 4525, 4590, 4887, 5430, 6154, 6375, 6750, 7650, 8145, 9050, 9231, 9774, 11475, 12750, 13575, 15385, 16290, 18462, 19125, 22625, 22950, 24435, 27150, 27693, 30770, 38250, 40725, 45250, 46155, 48870, 55386, 57375, 67875, 76925, 81450, 83079, 92310, 114750, 122175, 135750, 138465, 153850, 166158, 203625, 230775, 244350, 276930, 384625, 407250, 415395, 461550, 610875, 692325, 769250, 830790, 1153875, 1221750, 1384650, 2076975, 2307750, 3461625, 4153950, 6923250, 10384875, 20769750]

約数ペア:

[(1, 20769750), (2, 10384875), (3, 6923250), (5, 4153950), (6, 3461625), (9, 2307750), (10, 2076975), (15, 1384650), (17, 1221750), (18, 1153875), (25, 830790), (27, 769250), (30, 692325), (34, 610875), (45, 461550), (50, 415395), (51, 407250), (54, 384625), (75, 276930), (85, 244350), (90, 230775), (102, 203625), (125, 166158), (135, 153850), (150, 138465), (153, 135750), (170, 122175), (181, 114750), (225, 92310), (250, 83079), (255, 81450), (270, 76925), (306, 67875), (362, 57375), (375, 55386), (425, 48870), (450, 46155), (459, 45250), (510, 40725), (543, 38250), (675, 30770), (750, 27693), (765, 27150), (850, 24435), (905, 22950), (918, 22625), (1086, 19125), (1125, 18462), (1275, 16290), (1350, 15385), (1530, 13575), (1629, 12750), (1810, 11475), (2125, 9774), (2250, 9231), (2295, 9050), (2550, 8145), (2715, 7650), (3077, 6750), (3258, 6375), (3375, 6154), (3825, 5430), (4250, 4887), (4525, 4590)]