20216931836

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{181}}^1\times {\mathrm{17707}}^1$

素因数の和:17994

約数の個数: 48

約数和(自身を含む): 37900786560

約数和(自身を除く): 17683854724

約数列:

[1, 2, 4, 19, 38, 76, 83, 166, 181, 332, 362, 724, 1577, 3154, 3439, 6308, 6878, 13756, 15023, 17707, 30046, 35414, 60092, 70828, 285437, 336433, 570874, 672866, 1141748, 1345732, 1469681, 2939362, 3204967, 5878724, 6409934, 12819868, 27923939, 55847878, 60894373, 111695756, 121788746, 243577492, 266012261, 532024522, 1064049044, 5054232959, 10108465918, 20216931836]

約数ペア:

[(1, 20216931836), (2, 10108465918), (4, 5054232959), (19, 1064049044), (38, 532024522), (76, 266012261), (83, 243577492), (166, 121788746), (181, 111695756), (332, 60894373), (362, 55847878), (724, 27923939), (1577, 12819868), (3154, 6409934), (3439, 5878724), (6308, 3204967), (6878, 2939362), (13756, 1469681), (15023, 1345732), (17707, 1141748), (30046, 672866), (35414, 570874), (60092, 336433), (70828, 285437)]