20256985154

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{953}}^1$

素因数の和:1120

約数の個数: 128

約数和(自身を含む): 39458783232

約数和(自身を除く): 19201798078

約数列:

[1, 2, 7, 14, 17, 31, 34, 43, 62, 67, 86, 119, 134, 217, 238, 301, 434, 469, 527, 602, 731, 938, 953, 1054, 1139, 1333, 1462, 1906, 2077, 2278, 2666, 2881, 3689, 4154, 5117, 5762, 6671, 7378, 7973, 9331, 10234, 13342, 14539, 15946, 16201, 18662, 20167, 22661, 29078, 29543, 32402, 35309, 40334, 40979, 45322, 48977, 59086, 63851, 70618, 81958, 89311, 97954, 113407, 127702, 158627, 178622, 206801, 226814, 247163, 286853, 317254, 342839, 413602, 446957, 494326, 502231, 573706, 625177, 685678, 696643, 893914, 1004462, 1085467, 1250354, 1270349, 1393286, 1518287, 1979381, 2170934, 2540698, 2745593, 3036574, 3515617, 3958762, 4876501, 5491186, 7031234, 7598269, 8892443, 9753002, 10628009, 13855667, 15196538, 17784886, 19219151, 21256018, 21595933, 27711334, 33649477, 38438302, 43191866, 46675081, 67298954, 85113383, 93350162, 151171531, 170226766, 235546339, 302343062, 326725567, 471092678, 595793681, 653451134, 1191587362, 1446927511, 2893855022, 10128492577, 20256985154]

約数ペア:

[(1, 20256985154), (2, 10128492577), (7, 2893855022), (14, 1446927511), (17, 1191587362), (31, 653451134), (34, 595793681), (43, 471092678), (62, 326725567), (67, 302343062), (86, 235546339), (119, 170226766), (134, 151171531), (217, 93350162), (238, 85113383), (301, 67298954), (434, 46675081), (469, 43191866), (527, 38438302), (602, 33649477), (731, 27711334), (938, 21595933), (953, 21256018), (1054, 19219151), (1139, 17784886), (1333, 15196538), (1462, 13855667), (1906, 10628009), (2077, 9753002), (2278, 8892443), (2666, 7598269), (2881, 7031234), (3689, 5491186), (4154, 4876501), (5117, 3958762), (5762, 3515617), (6671, 3036574), (7378, 2745593), (7973, 2540698), (9331, 2170934), (10234, 1979381), (13342, 1518287), (14539, 1393286), (15946, 1270349), (16201, 1250354), (18662, 1085467), (20167, 1004462), (22661, 893914), (29078, 696643), (29543, 685678), (32402, 625177), (35309, 573706), (40334, 502231), (40979, 494326), (45322, 446957), (48977, 413602), (59086, 342839), (63851, 317254), (70618, 286853), (81958, 247163), (89311, 226814), (97954, 206801), (113407, 178622), (127702, 158627)]