20778853112

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{239}}^1\times {\mathrm{8537}}^1$

素因数の和:8868

約数の個数: 64

約数和(自身を含む): 41802048000

約数和(自身を除く): 21023194888

約数列:

[1, 2, 4, 8, 19, 38, 67, 76, 134, 152, 239, 268, 478, 536, 956, 1273, 1912, 2546, 4541, 5092, 8537, 9082, 10184, 16013, 17074, 18164, 32026, 34148, 36328, 64052, 68296, 128104, 162203, 304247, 324406, 571979, 608494, 648812, 1143958, 1216988, 1297624, 2040343, 2287916, 2433976, 4080686, 4575832, 8161372, 10867601, 16322744, 21735202, 38766517, 43470404, 77533034, 86940808, 136702981, 155066068, 273405962, 310132136, 546811924, 1093623848, 2597356639, 5194713278, 10389426556, 20778853112]

約数ペア:

[(1, 20778853112), (2, 10389426556), (4, 5194713278), (8, 2597356639), (19, 1093623848), (38, 546811924), (67, 310132136), (76, 273405962), (134, 155066068), (152, 136702981), (239, 86940808), (268, 77533034), (478, 43470404), (536, 38766517), (956, 21735202), (1273, 16322744), (1912, 10867601), (2546, 8161372), (4541, 4575832), (5092, 4080686), (8537, 2433976), (9082, 2287916), (10184, 2040343), (16013, 1297624), (17074, 1216988), (18164, 1143958), (32026, 648812), (34148, 608494), (36328, 571979), (64052, 324406), (68296, 304247), (128104, 162203)]