20081296312

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{739}}^1\times {\mathrm{1423}}^1$

素因数の和:2217

約数の個数: 128

約数和(自身を含む): 48557260800

約数和(自身を除く): 28475964488

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 31, 44, 56, 62, 77, 88, 124, 154, 217, 248, 308, 341, 434, 616, 682, 739, 868, 1364, 1423, 1478, 1736, 2387, 2728, 2846, 2956, 4774, 5173, 5692, 5912, 8129, 9548, 9961, 10346, 11384, 15653, 16258, 19096, 19922, 20692, 22909, 31306, 32516, 39844, 41384, 44113, 45818, 56903, 62612, 65032, 79688, 88226, 91636, 109571, 113806, 125224, 160363, 176452, 183272, 219142, 227612, 251999, 308791, 320726, 352904, 438284, 455224, 485243, 503998, 617582, 641452, 876568, 970486, 1007996, 1051597, 1235164, 1282904, 1763993, 1940972, 2015992, 2103194, 2470328, 3396701, 3527986, 3881944, 4206388, 6793402, 7055972, 7361179, 8412776, 11567567, 13586804, 14111944, 14722358, 23135134, 27173608, 29444716, 32599507, 46270268, 58889432, 65199014, 80972969, 92540536, 130398028, 161945938, 228196549, 260796056, 323891876, 358594577, 456393098, 647783752, 717189154, 912786196, 1434378308, 1825572392, 2510162039, 2868756616, 5020324078, 10040648156, 20081296312]

約数ペア:

[(1, 20081296312), (2, 10040648156), (4, 5020324078), (7, 2868756616), (8, 2510162039), (11, 1825572392), (14, 1434378308), (22, 912786196), (28, 717189154), (31, 647783752), (44, 456393098), (56, 358594577), (62, 323891876), (77, 260796056), (88, 228196549), (124, 161945938), (154, 130398028), (217, 92540536), (248, 80972969), (308, 65199014), (341, 58889432), (434, 46270268), (616, 32599507), (682, 29444716), (739, 27173608), (868, 23135134), (1364, 14722358), (1423, 14111944), (1478, 13586804), (1736, 11567567), (2387, 8412776), (2728, 7361179), (2846, 7055972), (2956, 6793402), (4774, 4206388), (5173, 3881944), (5692, 3527986), (5912, 3396701), (8129, 2470328), (9548, 2103194), (9961, 2015992), (10346, 1940972), (11384, 1763993), (15653, 1282904), (16258, 1235164), (19096, 1051597), (19922, 1007996), (20692, 970486), (22909, 876568), (31306, 641452), (32516, 617582), (39844, 503998), (41384, 485243), (44113, 455224), (45818, 438284), (56903, 352904), (62612, 320726), (65032, 308791), (79688, 251999), (88226, 227612), (91636, 219142), (109571, 183272), (113806, 176452), (125224, 160363)]