20758512950

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{31}}^2\times {\mathrm{61717}}^1$

素因数の和:61798

約数の個数: 72

約数和(自身を含む): 45596764656

約数和(自身を除く): 24838251706

約数列:

[1, 2, 5, 7, 10, 14, 25, 31, 35, 50, 62, 70, 155, 175, 217, 310, 350, 434, 775, 961, 1085, 1550, 1922, 2170, 4805, 5425, 6727, 9610, 10850, 13454, 24025, 33635, 48050, 61717, 67270, 123434, 168175, 308585, 336350, 432019, 617170, 864038, 1542925, 1913227, 2160095, 3085850, 3826454, 4320190, 9566135, 10800475, 13392589, 19132270, 21600950, 26785178, 47830675, 59310037, 66962945, 95661350, 118620074, 133925890, 296550185, 334814725, 415170259, 593100370, 669629450, 830340518, 1482750925, 2075851295, 2965501850, 4151702590, 10379256475, 20758512950]

約数ペア:

[(1, 20758512950), (2, 10379256475), (5, 4151702590), (7, 2965501850), (10, 2075851295), (14, 1482750925), (25, 830340518), (31, 669629450), (35, 593100370), (50, 415170259), (62, 334814725), (70, 296550185), (155, 133925890), (175, 118620074), (217, 95661350), (310, 66962945), (350, 59310037), (434, 47830675), (775, 26785178), (961, 21600950), (1085, 19132270), (1550, 13392589), (1922, 10800475), (2170, 9566135), (4805, 4320190), (5425, 3826454), (6727, 3085850), (9610, 2160095), (10850, 1913227), (13454, 1542925), (24025, 864038), (33635, 617170), (48050, 432019), (61717, 336350), (67270, 308585), (123434, 168175)]