20734159678

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{229}}^1\times {\mathrm{907}}^1$

素因数の和:1265

約数の個数: 64

約数和(自身を含む): 34283174400

約数和(自身を除く): 13549014722

約数列:

[1, 2, 19, 37, 38, 71, 74, 142, 229, 458, 703, 907, 1349, 1406, 1814, 2627, 2698, 4351, 5254, 8473, 8702, 16259, 16946, 17233, 32518, 33559, 34466, 49913, 64397, 67118, 99826, 128794, 160987, 207703, 308921, 321974, 415406, 601583, 617842, 637621, 1203166, 1223543, 1275242, 2382689, 2447086, 3946357, 4765378, 7685011, 7892714, 11430077, 14746913, 15370022, 22860154, 29493826, 45271091, 90542182, 146015209, 280191347, 292030418, 545635781, 560382694, 1091271562, 10367079839, 20734159678]

約数ペア:

[(1, 20734159678), (2, 10367079839), (19, 1091271562), (37, 560382694), (38, 545635781), (71, 292030418), (74, 280191347), (142, 146015209), (229, 90542182), (458, 45271091), (703, 29493826), (907, 22860154), (1349, 15370022), (1406, 14746913), (1814, 11430077), (2627, 7892714), (2698, 7685011), (4351, 4765378), (5254, 3946357), (8473, 2447086), (8702, 2382689), (16259, 1275242), (16946, 1223543), (17233, 1203166), (32518, 637621), (33559, 617842), (34466, 601583), (49913, 415406), (64397, 321974), (67118, 308921), (99826, 207703), (128794, 160987)]