20151956020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{90473}}^1$

素因数の和:90569

約数の個数: 96

約数和(自身を含む): 50827569408

約数和(自身を除く): 30675613388

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 43, 70, 74, 86, 140, 148, 172, 185, 215, 259, 301, 370, 430, 518, 602, 740, 860, 1036, 1204, 1295, 1505, 1591, 2590, 3010, 3182, 5180, 6020, 6364, 7955, 11137, 15910, 22274, 31820, 44548, 55685, 90473, 111370, 180946, 222740, 361892, 452365, 633311, 904730, 1266622, 1809460, 2533244, 3166555, 3347501, 3890339, 6333110, 6695002, 7780678, 12666220, 13390004, 15561356, 16737505, 19451695, 23432507, 27232373, 33475010, 38903390, 46865014, 54464746, 66950020, 77806780, 93730028, 108929492, 117162535, 136161865, 143942543, 234325070, 272323730, 287885086, 468650140, 544647460, 575770172, 719712715, 1007597801, 1439425430, 2015195602, 2878850860, 4030391204, 5037989005, 10075978010, 20151956020]

約数ペア:

[(1, 20151956020), (2, 10075978010), (4, 5037989005), (5, 4030391204), (7, 2878850860), (10, 2015195602), (14, 1439425430), (20, 1007597801), (28, 719712715), (35, 575770172), (37, 544647460), (43, 468650140), (70, 287885086), (74, 272323730), (86, 234325070), (140, 143942543), (148, 136161865), (172, 117162535), (185, 108929492), (215, 93730028), (259, 77806780), (301, 66950020), (370, 54464746), (430, 46865014), (518, 38903390), (602, 33475010), (740, 27232373), (860, 23432507), (1036, 19451695), (1204, 16737505), (1295, 15561356), (1505, 13390004), (1591, 12666220), (2590, 7780678), (3010, 6695002), (3182, 6333110), (5180, 3890339), (6020, 3347501), (6364, 3166555), (7955, 2533244), (11137, 1809460), (15910, 1266622), (22274, 904730), (31820, 633311), (44548, 452365), (55685, 361892), (90473, 222740), (111370, 180946)]