20510147152

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1\times {\mathrm{16921}}^1$

素因数の和:17108

約数の個数: 80

約数和(自身を含む): 44417407104

約数和(自身を除く): 23907259952

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 71, 88, 97, 142, 176, 194, 284, 388, 568, 776, 781, 1067, 1136, 1552, 1562, 2134, 3124, 4268, 6248, 6887, 8536, 12496, 13774, 16921, 17072, 27548, 33842, 55096, 67684, 75757, 110192, 135368, 151514, 186131, 270736, 303028, 372262, 606056, 744524, 1201391, 1212112, 1489048, 1641337, 2402782, 2978096, 3282674, 4805564, 6565348, 9611128, 13130696, 13215301, 18054707, 19222256, 26261392, 26430602, 36109414, 52861204, 72218828, 105722408, 116534927, 144437656, 211444816, 233069854, 288875312, 466139708, 932279416, 1281884197, 1864558832, 2563768394, 5127536788, 10255073576, 20510147152]

約数ペア:

[(1, 20510147152), (2, 10255073576), (4, 5127536788), (8, 2563768394), (11, 1864558832), (16, 1281884197), (22, 932279416), (44, 466139708), (71, 288875312), (88, 233069854), (97, 211444816), (142, 144437656), (176, 116534927), (194, 105722408), (284, 72218828), (388, 52861204), (568, 36109414), (776, 26430602), (781, 26261392), (1067, 19222256), (1136, 18054707), (1552, 13215301), (1562, 13130696), (2134, 9611128), (3124, 6565348), (4268, 4805564), (6248, 3282674), (6887, 2978096), (8536, 2402782), (12496, 1641337), (13774, 1489048), (16921, 1212112), (17072, 1201391), (27548, 744524), (33842, 606056), (55096, 372262), (67684, 303028), (75757, 270736), (110192, 186131), (135368, 151514)]